Crash Course in Romance

The series follows the bittersweet relationship between a banchan shop owner whose daughter enters the war of Korea's college entrance exams, and a top hagwon instructor.

• Jeon Do-yeon as Nam Haeng-seon{{cite web|url=https://www.hancinema.net/jeon-do-yeon-in-examination-hell-in-ilta-scandal-161330.html|title=Jeon Do-yeon in Examination Hell in "Ilta Scandal"|website=HanCinema|via=Newsis|date=June 21, 2022|access-date=September 21, 2022|archive-url=https://web.archive.org/web/20220921045841/https://www.hancinema.net/jeon-do-yeon-in-examination-hell-in-ilta-scandal-161330.html|archive-date=September 21, 2022|url-status=live}}{{cite web|url=https://en.yna.co.kr/view/AEN20230109006100315|title=Actress Jeon Do-yeon returns with Tving drama 'Crash Course in Romance'|agency=Yonhap News Agency|date=January 9, 2023|access-date=January 31, 2023|archive-date=January 31, 2023|archive-url=https://web.archive.org/web/20230131085012/https://en.yna.co.kr/view/AEN20230109006100315|url-status=live}}
• Lee Yeon as young Haeng-seon{{cite web|url=https://entertain.naver.com/read?oid=144&aid=0000861194|first=Ji-woo|last=Kim|script-title=ko:전도연의 또 다른 얼굴, 이연 (일타 스캔들)|website=Sports Kyunghyang|publisher=Kyunghyang, Co.|via=Naver|date=January 13, 2023|access-date=January 13, 2023|language=ko|archive-date=January 13, 2023|archive-url=https://web.archive.org/web/20230113033440/https://entertain.naver.com/read?oid=144&aid=0000861194|url-status=live}}

: A former national handball player who now runs a banchan shop. After her mother's death, she gave up her sports career to take care of her young niece and disabled younger brother.

• Jung Kyung-ho as Choi Chi-yeol
• Kim Min-chul as young Chi-yeol{{cite web|url=https://entertain.naver.com/read?oid=421&aid=0006576423|first=Ah-reum|last=Jang|script-title=ko:신예 김민철, '일타스캔들' 정경호 아역 캐스팅|website=News1 Korea|via=Naver|date=January 14, 2023|access-date=January 14, 2023|language=ko|archive-date=January 14, 2023|archive-url=https://web.archive.org/web/20230114132830/https://entertain.naver.com/read?oid=421&aid=0006576423|url-status=live}}

: A celebrity math instructor at The Pride Academy and popular private education institute who suffered an eating disorder. He regularly visits Haeng-seon's shop.

• Roh Yoon-seo as Nam Hae-yi{{cite web|url=https://entertain.naver.com/read?oid=311&aid=0001533458|first=Hee-jae|last=Choi|script-title=ko:노윤서, 전도연X정경호와 호흡…'일타 스캔들' 출연 [공식입장]|trans-title=Official: Roh Yoon-seo, Jeon Do-yeon, and Jung Kyung-ho were given supporting roles 'Crash Course in Romance'|website=Xports News|via=Naver|date=December 9, 2022|access-date=December 9, 2022|language=ko|archive-date=December 9, 2022|archive-url=https://web.archive.org/web/20221209004222/https://entertain.naver.com/read?oid=311&aid=0001533458|url-status=live}}

: Haeng-seon's adopted daughter and niece who was abandoned by her mother, as well as her sister when she was a child. Hae-yi was raised by Haeng-seon afterwards. She is the class president of Class 2-1 of Woorim High School.

• Oh Eui-shik as Nam Jae-woo{{cite web|url=https://entertain.naver.com/read?oid=018&aid=0005317796|first=Bo-young|last=Kim|script-title=ko:'빅마우스' 오의식, '일타스캔들' 출연 확정…전도연과 호흡 [공식]|website=eDaily|via=Naver|date=September 16, 2022|access-date=September 16, 2022|language=ko|archive-date=September 22, 2022|archive-url=https://web.archive.org/web/20220922071412/https://entertain.naver.com/read?oid=018&aid=0005317796|url-status=live}}

: Haeng-seon's younger brother who has Asperger syndrome.

• Lee Bong-ryun as Kim Young-joo{{cite web|url=https://entertain.naver.com/read?oid=311&aid=0001489081|first=Hee-jae|last=Choi|script-title=ko:'대세' 이봉련, '일타 스캔들' 출연 확정... 전도연과 호흡 [공식입장] |via=Naver|date=August 16, 2022|access-date=September 16, 2022|language=ko|archive-date=September 21, 2022|archive-url=https://web.archive.org/web/20220921214554/https://entertain.naver.com/read?oid=311&aid=0001489081|url-status=live}}

: Haeng-seon's friend who works at her shop.

• Kim Mi-kyung as Jung Young-soon{{cite web|url=https://entertain.naver.com/read?oid=408&aid=0000179457|first=Hye-rin|last=Cha|script-title=ko:'일타 스캔들' 정경호, '전도연=김미경 딸' 과거 인연 알았다 [종합]|website=MBC Entertainment|publisher=Munhwa Broadcasting Corporation|via=Naver|date=February 4, 2023|access-date=March 14, 2023|language=ko|archive-date=March 14, 2023|archive-url=https://web.archive.org/web/20230314083036/https://entertain.naver.com/read?oid=408&aid=0000179457|url-status=live}}

: Haeng-seon's mother.

• Shin Jae-ha as Ji Dong-hee / Jeong Seong-hyeon{{cite web|url=https://www.hancinema.net/shin-jae-ha-to-star-in-ilta-scandal-162404.html|title=Shin Jae-ha to star in "Ilta Scandal"|website=HanCinema|via=Sports Dong-a|date=August 2, 2022|access-date=September 16, 2022|archive-date=September 21, 2022|archive-url=https://web.archive.org/web/20220921183948/https://www.hancinema.net/shin-jae-ha-to-star-in-ilta-scandal-162404.html|url-status=live}}{{cite web|url=https://entertain.naver.com/read?oid=421&aid=0006664082|first=Hyo-jeong|last=Yoon|script-title=ko:'일타 스캔들' 신재하, 연쇄살인 발각되자 투신 사망... 정경호 충격|website=News1 Korea|via=Naver|date=March 4, 2023|access-date=March 17, 2023|language=ko|archive-date=March 17, 2023|archive-url=https://web.archive.org/web/20230317100747/https://entertain.naver.com/read?oid=421&aid=0006664082|url-status=live}}

: Chi-yeol's manager.

• Kim Da-huin as Jeon Jong-ryeol{{cite web|url=http://program.tving.com/tvn/crashcourseinromance/3/Contents/Html?h_seq=2|script-title=ko:인물소개 (2)|trans-title=Introduction 2|website=TVN|language=ko|archive-url=https://web.archive.org/web/20221226143312/http://program.tving.com/tvn/crashcourseinromance/3/Contents/Html?h_seq=2|archive-date=December 26, 2022|url-status=live|access-date=December 28, 2022}}

: Chi-yeol's friend who is a teacher at Woorim High School.

• Jang Young-nam as Jang Seo-jin{{cite web|url=https://entertain.naver.com/read?oid=609&aid=0000622589|first=Min-ji|last=Lee|script-title=ko:장영남, 아들 집착 엄마 변신... tvN '일타 스캔들' 출연 확정[공식]|publisher=Newsen|via=Naver|date=August 31, 2022|access-date=September 16, 2022|language=ko|archive-date=September 21, 2022|archive-url=https://web.archive.org/web/20220921221208/https://entertain.naver.com/read?oid=609&aid=0000622589|url-status=live}}

: Seon-jae's mother who is an attorney.

• Lee Chae-min as Lee Seon-jae{{cite web|url=https://entertain.naver.com/read?oid=117&aid=0003677249|first=Da-yeon|last=Kang|script-title=ko:이채민, '일타 스캔들' 출연 확정... 전도연·정경호와 호흡 [공식]|trans-title=Lee Chae-min confirmed to co-star in 'Crash Course in Romance' alongside Jeon Do-yeon and Jung Kyung-ho|website=My Daily|via=Naver|date=December 12, 2022|access-date=December 12, 2022|language=ko|archive-date=December 12, 2022|archive-url=https://web.archive.org/web/20221212061758/https://entertain.naver.com/read?oid=117&aid=0003677249|url-status=live}}

: Hae-yi's best friend who is a student in Class 2-1 and has a crush on her.

• Kim Tae-jung as Lee Hee-jae{{cite web|url=https://entertain.naver.com/read?oid=609&aid=0000683180|first=Seul-gi|last=Lee|script-title=ko:장영남, 집착 끝판왕... 히키코모리 子 "아이비리그 공부" 거짓말(일타스캔들)|publisher=Newsen|via=Naver|date=January 30, 2023|access-date=January 30, 2023|language=ko|archive-date=January 30, 2023|archive-url=https://web.archive.org/web/20230130161800/https://entertain.naver.com/read?oid=609&aid=0000683180|url-status=live}}

: Seon-jae's older brother who gave up higher studies and stays at home.

• Kim Sun-young as Jo Soo-hee{{cite web|url=http://program.tving.com/tvn/crashcourseinromance/3/Contents/Html?h_seq=4|script-title=ko:인물소개 (4)|trans-title=Introduction (4)|website=tvN|archive-url=https://archive.today/20221228053223/http://program.tving.com/tvn/crashcourseinromance/3/Contents/Html?h_seq=4|archive-date=December 28, 2022|url-status=live|access-date=December 28, 2022}}{{cite web|url=https://entertain.naver.com/read?oid=609&aid=0000659221|first=Ah-reum|last=Park|script-title=ko:김선영 '일타스캔들' 합류, 극성 엄마 된다[공식]|trans-title=Official: Kim Sun-young plays as a bipolar mother in 'Crash Course in Romance'|website=Newsen|via=Naver|date=November 29, 2022|access-date=November 29, 2022|language=ko|archive-date=November 29, 2022|archive-url=https://web.archive.org/web/20221129010630/https://entertain.naver.com/read?oid=609&aid=0000659221|url-status=live}}

: Su-ah's mother who is obsessed with her studies.

• Kang Na-eon as Bang Su-ah{{cite web|url=https://entertain.naver.com/read?oid=144&aid=0000851319|first=Bong-seok|last=Son|script-title=ko:신성 강나언, '구미호뎐'이어 '일타스캔들'까지 캐스팅|website=Sports Kyunghyang|publisher=Kyunghyang, Co.|via=Naver|date=November 24, 2022|access-date=November 24, 2022|language=ko|archive-date=November 24, 2022|archive-url=https://web.archive.org/web/20221124232138/https://entertain.naver.com/read?oid=144&aid=0000851319|url-status=live}}

: A student at class 2-1 who has a rivalry with Hae-yi.

• Hwang Bo-ra as Lee Mi-ok{{cite web|url=https://entertain.naver.com/read?oid=609&aid=0000660758|first=Hye-jin|last=Hwang|script-title=ko:'김용건 며느리' 황보라, 학부모로 컴백... '일타 스캔들' 캐스팅[공식]|trans-title=Official: Hwang Bo-ra plays as Kim Yong-gun's daughter-in-law in 'Crash Course in Romance'|website=Newsen|via=Naver|date=December 2, 2022|access-date=December 2, 2022|language=ko|archive-date=December 2, 2022|archive-url=https://web.archive.org/web/20221202000100/https://entertain.naver.com/read?oid=609&aid=0000660758|url-status=live}}

: Dan-ji's mother.

• Ryu Da-in as Jang Dan-ji{{cite web|url=https://entertain.naver.com//read?oid=312&aid=0000590457|first=Joon-hyun|last=Lee|script-title=ko:신예 류다인, '일타 스캔들' 출연 확정... '좋은 연기 보여드릴 것"|trans-title=Here's How Confirmed Rookie Actress Ryu Da-in Acts in 'Crash Course in Romance'|website=Ten Asia|via=Naver|date=January 10, 2023|access-date=January 10, 2023|language=ko|archive-date=February 22, 2023|archive-url=https://web.archive.org/web/20230222003128/https://entertain.naver.com//read?oid=312&aid=0000590457|url-status=live}}

: A student at class 2-1, close friend of Hae-yi and Seon-jae.

• Lee Min-jae as Seo Geon-hu{{cite news|url=https://entertain.naver.com/read?oid=241&aid=0003248923|first=Rosa|last=Park|script-title=ko:'치얼업' 이민재, '일타 스캔들' 서건후 役 캐스팅|newspaper=Ilgan Sports|publisher=KG Group|via=Naver|date=December 30, 2022|access-date=December 30, 2022|language=ko|archive-date=December 30, 2022|archive-url=https://web.archive.org/web/20221230034837/https://entertain.naver.com/read?oid=241&aid=0003248923|url-status=live}}

: A student in class 2-1 who is an ice hockey athlete. Later, he is diagnosed with a serious shoulder injury and has to stop playing.

• Heo Jeong-do as Kang Joon-sang{{cite web|url=http://program.tving.com/tvn/crashcourseinromance/3/Contents/Html?h_seq=3|script-title=ko:인물소개 (3)|trans-title=Introduction 3|website=TVN|archive-url=https://archive.today/20221228052656/http://program.tving.com/tvn/crashcourseinromance/3/Contents/Html?h_seq=3|archive-date=December 28, 2022|url-status=live|access-date=December 28, 2022}}

: The director of The Pride Academy.

• Ji Il-joo as Jin Yi-sang

: An instructor at The Pride Academy.

• Yoo Jun as Lee Young-min{{cite web|url=https://entertain.naver.com/read?oid=109&aid=0004772748|first=Chae-yeon|last=Kim|script-title=ko:유준, 전도연x정경호 '일타 스캔들' 캐스팅... 까칠한 부잣집 도련님 [공식]|newspaper=Osen|via=Naver|date=January 12, 2023|access-date=January 12, 2023|language=ko|archive-date=January 12, 2023|archive-url=https://web.archive.org/web/20230112100923/https://entertain.naver.com/read?oid=109&aid=0004772748|url-status=live}}{{cite web|url=https://entertain.naver.com/read?oid=144&aid=0000864162|first=Byung-gil|last=Ahn|script-title=ko:'일타 스캔들' 해결사 본색, 정한설|website=Sports Kyunghyang|publisher=Kyunghyang, Co.|via=Naver|date=January 30, 2023|access-date=January 30, 2023|language=ko|archive-date=January 30, 2023|archive-url=https://web.archive.org/web/20230130123115/https://entertain.naver.com/read?oid=144&aid=0000864162|url-status=live}}

: A student in the intensive class at The Pride Academy who falls from the roof and dies.

• Choi Hee-jin as Young-min's mother{{cite web|url=https://entertain.naver.com/read?oid=421&aid=0006591172|first=Hyo-jung|last=Yoo|script-title=ko:전도연 손맛 빠진 정경호, '특별과외' 제안... '일타스캔들' 7.6% 껑충|website=News1 Korea|via=Naver|date=January 23, 2023|access-date=January 23, 2023|language=ko|archive-date=January 24, 2023|archive-url=https://web.archive.org/web/20230124050903/https://entertain.naver.com/read?oid=421&aid=0006591172|url-status=live}}
• Lee Do-hye as Jeong Su-hyeon{{cite news|url=https://entertain.naver.com/read?oid=109&aid=0004780710|first=Na-yeon|last=Kim|script-title=ko:정경호 제자 '극단적 선택' 충격 과거... 노윤서 비밀과외 발각 위기 ('일타스캔들') [종합]|newspaper=Osen|via=Naver|date=January 29, 2023|access-date=January 30, 2023|language=ko|archive-date=January 30, 2023|archive-url=https://web.archive.org/web/20230130100218/https://entertain.naver.com/read?oid=109&aid=0004780710|url-status=live}}

: Chi-yeol's student who dies by suicide.

• Jung Han-seol as Detective Bae

: A detective who handles the case of Young-min's death.

• Kim Joon-won as Lee Seung-won{{cite web|first=Jeon-ha|last=Yoo|date=March 6, 2023|script-title=ko:'일타 스캔들' 김준원 "유쾌하고 달달한 드라마"|url=https://entertain.naver.com/read?oid=018&aid=0005436637|access-date=March 6, 2023|publisher=Naver|via=eDaily|language=ko|archive-date=March 23, 2023|archive-url=https://web.archive.org/web/20230323054419/https://entertain.naver.com/read?oid=018&aid=0005436637|url-status=live}}

: Seon-jae and Hee-jae's father.

• Yoon Seok-hyun as Song Jun-ho{{cite web|url=https://entertain.naver.com/read?oid=382&aid=0001032522|first=Seong-woon|last=Jo|script-title=ko:전도연X정경호, 애틋한 키스→설렘 포텐 터졌다 (일타 스캔들)|website=Sports Dong-A|publisher=Dong-A Ilbo, Co.|via=Naver|date=February 13, 2023|access-date=March 17, 2023|language=ko|archive-date=March 17, 2023|archive-url=https://web.archive.org/web/20230317111341/https://entertain.naver.com/read?oid=382&aid=0001032522|url-status=live}}
• Bae Yoon-kyung as Hong Hye-yeon{{cite news|url=https://entertain.naver.com/read?oid=109&aid=0004784183|first=Bo-ra|last=Kim|script-title=ko:'일타스캔들' 정경호♥전도연, 썸 타는 사이 딱 걸렸네... "미혼 밝혀라" [종합]|newspaper=Osen|via=Naver|date=February 5, 2023|access-date=March 17, 2023|language=ko|archive-date=March 17, 2023|archive-url=https://web.archive.org/web/20230317101636/https://entertain.naver.com/read?oid=109&aid=0004784183|url-status=live}}
• Lee Sang-yi as YouTuber "Mr. Popular"{{cite web|url=https://entertain.naver.com/read?oid=609&aid=0000686990|first=Soo-in|last=Park|script-title=ko:이상이 '일타스캔들' 특별출연, 전도연·정경호와 호흡|trans-title=Lee Sang-yi made a special appearance in 'Crash Course in Romance' starring Jeon Do-yeon and Jung Kyung-ho|website=Newsen|via=Naver|date=February 9, 2023|access-date=February 9, 2023|language=ko|archive-date=February 9, 2023|archive-url=https://web.archive.org/web/20230209052207/https://entertain.naver.com/read?oid=609&aid=0000686990|url-status=live}}{{cite web|url=https://entertain.naver.com/read?oid=052&aid=0001848688|author=Kang Nae-ri|title='일타스캔들' 정경호, 학부모들 앞에서 전도연에 고백 "혼자 좋아했다"|publisher=YTN|via=Naver|date=February 12, 2023|access-date=February 12, 2023|language=ko|archive-date=February 20, 2023|archive-url=https://web.archive.org/web/20230220131706/https://entertain.naver.com/read?oid=052&aid=0001848688|url-status=live}}
• Bae Hae-sun as Nam Haeng-ja, Hae-yi's biological mother{{cite web|url=https://entertain.naver.com/read?oid=421&aid=0006653171|first=Eun-jae|last=Ahn|script-title=ko:일타스캔들' 노윤서 납치 진범은 신재하... 자체 최고 경신 15.8% [N시청률]|trans-title=How the story of Noh Yoon-seo kidnapping Shin Jae-ha in 'Crash Course in Romance' gained 15.8%, the highest viewership rating?|website=News1|via=Naver|date=February 27, 2023|access-date=February 27, 2023|language=ko|archive-date=February 27, 2023|archive-url=https://web.archive.org/web/20230227084458/https://entertain.naver.com/read?oid=421&aid=0006653171|url-status=live}}

Directed by Yoo Je-won, Crash Course in Romance consists of 16 episodes. Each episode title refers to a mathematical concept.{{Cite web|script-title=ko:일타 스캔들 미리보기 |trans-title=Ilta scandal preview |url=https://tvn.cjenm.com/ko/crashcourseinromance/episodes/ |access-date=March 1, 2023|website=CJENM |language=ko |archive-date=December 23, 2023|archive-url=https://web.archive.org/web/20231223185518/https://tvn.cjenm.com/ko/crashcourseinromance/episodes/ |url-status=live }}

{{Episode table |background=#36454F | |overall= |title= |airdate= |country=South Korea |viewers = 6 |episodes=

{{Episode list

| EpisodeNumber = 1

| Title = You and I, the Intersection of Two Universes

| TranslitTitle = Neowa Na, Du Uju-eui Gyojiphap

| NativeTitle = 너와 나, 두 우주의 교집합

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|1|14}}

| Viewers = 0.971

| ShortSummary = Choi Chi-yeol is the star instructor at Pride Academy, a premier hagwon in mathematics. Parents line up to secure a seat in his classroom, except for Nam Haeng-seon, a single mother and owner of a banchan shop. She trusts her daughter, Nam Hae-yi, to learn what she needs as a diligent, self-motivated high school student. When Hae-yi expresses interest in extra help in math, Haeng-seon snaps into action. Meanwhile, Chi-yeol and Haeng-seon have become bitter enemies, unaware of each other's names.

| LineColor = 36454F

}}

{{Episode list

| EpisodeNumber = 2

| Title = Probability of Encountering Your Enemy at Your Worst

| TranslitTitle = Wonsureul Winamudarieseo Mannal Hwakryul

| NativeTitle = 원수를 외나무다리에서 만날 확률

| NativeTitleLangCode = ko

|OriginalAirDate = {{Start date|2023|1|15}}

|Viewers = 1.461

|ShortSummary = When Chi-yeol is hospitalized for malnutrition, his manager, Dong-hee, searches for better food for him and discovers Nation's Best Banchan. Dong-hee agrees to buy lunch from Nation's Best Banchan and encounters Nam Haeng-seon, the woman he hopes to never see again.

| LineColor = 36454F

}}

{{Episode list

| EpisodeNumber = 3

| Title = Number of Outcomes Where Dislike Becomes Like

| TranslitTitle = Dangshin-eui Maeum-i, Naege Misoji-eun Sungan

| NativeTitle = 당신의 마음이, 내게 미소지은 순간

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|1|21}}

| Viewers = 1.354

| ShortSummary = Determined to support her daughter's education, Haeng-seon queues daily in front of Pride Academy and helps Chi-yeol recover from malnutrition. However, their mutual dislike remains.

}}

{{Episode list

| EpisodeNumber = 4

| Title = Revolt of the Arithmetic Sequence

| TranslitTitle = Dangshin-eui Ondoga, Na-eui Maeum-eul Nok-in Sungan

| NativeTitle = 당신의 온도가, 나의 마음을 녹인 순간

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|1|22}}

| Viewers = 1.819

| ShortSummary = Enrolling in Chi-yeol's lectures, Hae-yi earns the top mathematics grade at her high school. She also passes the Medical College All Care Class test, making her eligible for it and almost guaranteeing admission to a top medical school. Hae-yi enjoys her good fortune until Haeng-seon hears something shocking.

| LineColor = 36454F

}}

{{Episode list

| EpisodeNumber = 5

| Title = The Secret Probability Distribution of X and Y

| TranslitTitle = X-wa Y-eui Bimil Hwakryul Bunpo

| NativeTitle = X와 Y의 비밀 확률 분포

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|1|28}}

| Viewers = 2.242

| ShortSummary = Chi-yeol and Haeng-seon agree to exchange talents: he will tutor her daughter Hae-yi while she provides him with two meals a day. They keep the arrangement secret to avoid offending other parents, particularly the mothers.

| LineColor = 36454F

}}

{{Episode list

| EpisodeNumber = 6

| Title = There Are No Correct Answers in Life, Only Best Answers

| TranslitTitle = Insaengen Jeongdab-i Anin Yeoreo Gae-eui Mobeomdaban-i Iss-eul Ppun

| NativeTitle = 인생엔 정답이 아닌 여러 개의 모범답안이 있을 뿐

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|1|29}}

| Viewers = 2.660

| ShortSummary = Hae-yi ranks first in the September mock test, prompting Haeng-seon to invite Chi-yeol to celebrate. This leads to a jokgu match, during which Chi-yeol injures his wrist.

| LineColor = 36454F

}}

{{Episode list

| EpisodeNumber = 7

| Title = The Very Average Laws of Attraction

| TranslitTitle = Sarange Ppajineun Aju Botong-eui Beopchik

| NativeTitle = 사랑에 빠지는 아주 보통의 법칙

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|2|4}}

| Viewers = 2.433

| ShortSummary = Hae-yi ranks first in the September mock test, prompting Haeng-seon to invite Chi-yeol to celebrate. This leads to a jokgu match, during which Chi-yeol injures his wrist.

| LineColor = 36454F

}}

{{Episode list

| EpisodeNumber = 8

| Title = Chance Becomes Fate through Inductive Reasoning

| TranslitTitle = Inyeon-i Unmyeong-i Dwineun Gwinapjeok Churon

| NativeTitle = 인연이 운명이 되는 귀납적 추론

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|2|5}}

| Viewers = 3.010

| ShortSummary = Chi-yeol learns that Haeng-seon is the daughter of a canteen owner who helped him as a student. Moved by her words, he decides to repay Haeng-seon for her mother's kindness. He secretly buys the Nation's Best Banchan building and reduces her rent by half. When Haeng-seon delivers lunch boxes to his office, she discovers he may have a girlfriend.

| LineColor = 36454F

}}

{{Episode list

| EpisodeNumber = 9

| Title = The Butterfly Effect of Our Relationship

| TranslitTitle = Uri Mannam-eui Nabihyogwa

| NativeTitle = 우리 만남의 나비효과

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|2|11}}

| Viewers = 2.505

| ShortSummary = Chi-yeol and Haeng-seon are caught together in front of her shop by the parents of the All Care Class, exposing their tutoring scheme. When a "one-hit scandal" shakes the Pride Academy community, Haeng-seon is unjustly blamed.

| LineColor = 36454F

}}

{{Episode list

| EpisodeNumber = 10

| Title = Emotion, the Variable That Alters Relationships

| TranslitTitle = Gwangyereul Bakkuneun Gamjeong-iraneun Byeonsu

| NativeTitle = 관계를 바꾸는 감정이라는 변수

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|2|12}}

| Viewers = 3.232

| ShortSummary = During a math talk show where Haeng-seon attends, guests question Chi-yeol about the scandal, and she is again blamed. Unable to tolerate the criticism of her, Chi-yeol confesses his feelings for her publicly. The criticism shifts from Haeng-seon to Chi-yeol, leading to protests from his students and his forced suspension. He hopes a break will clear his mind. Hae-yi makes a sudden public confession, revealing that Haeng-seon is unmarried and actually her aunt.

| LineColor = 36454F

}}

{{Episode list

| EpisodeNumber = 11

| Title = The Functional Relationship of Our Love

| TranslitTitle = Uri Sarang-eui Gwangyehamsu

| NativeTitle = 우리 사랑의 관계함수

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|2|18}}

| Viewers = 3.076

|ShortSummary = After Hae-yi's confession, Haeng-seon and Chi-yeol admit their feelings for each other. What began as a scandal evolves into a romance, and Hae-yi finds comfort among her friends at school.

| LineColor = 36454F

}}

{{Episode list

| EpisodeNumber = 12

| Title = Point of Intersection between Comedy and Tragedy

| TranslitTitle = Huigeukgwa Bigeuk-eui Gyochajeom

| NativeTitle = 희극과 비극의 교차점

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|2|19}}

| Viewers = 3.328

| ShortSummary = Haeng-seon and Chi-yeol have their first fight, and their conflicting schedules prevent reconciliation. Chi-yeol plans a fancy date for Haeng-seon, assisted by Dong-hee, who surprises them during the date. Meanwhile, the students at Pride Academy prepare for midterms.

| LineColor = 36454F

}}

{{Episode list

| EpisodeNumber = 13

| Title = How We Approach an Unsolvable Conjecture

| TranslitTitle = Mijee Daecheohaneun Uri-eui Jase

| NativeTitle = 미제(謎題)에 대처하는 우리의 자세

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|2|25}}

| Viewers = 2.855

| ShortSummary = The academy schedules a camp to mark Chi-yeol's return. Reluctantly, he is persuaded by Dong-hee to participate, leading to days when he and Haeng-seon barely see each other. Hae-yi struggles with the reading exam and goes missing during midterms.

| LineColor = 36454F

}}

{{Episode list

| EpisodeNumber = 14

| Title = Find the Unique Solution

| TranslitTitle = Ojik Hana-eui Haereul Guhara

| NativeTitle = 오직 하나의 해를 구하라

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|2|26}}

| Viewers = 3.646

| ShortSummary = After a car accident, Hae-yi is put in a coma. The police suspect self-harm, but Haeng-seon believes there's another explanation. She discovers a strange mark on Hae-yi's hand and, with Chi-yeol, searches for clues until Hae-yi's biological mother suddenly appears.

| LineColor = 36454F

}}

{{Episode list

|EpisodeNumber = 15

|Title = The Result of Coincidence and Necessity

| TranslitTitle = Uyeongwa Pilyeon-eui Gyeolgwagap

| NativeTitle = 우연과 필연의 결과값

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|3|4}}

| Viewers = 3.755

| ShortSummary = Hae-yi's biological mother acts excessively caring, disturbing everyone. Chi-yeol uncovers the truth about Dong-hee during a visit to his rooftop apartment. When Dong-hee attacks Haeng-seon in Hae-yi's hospital room, Hae-yi makes a shocking decision.

| LineColor = 36454F

}}

{{Episode list

| EpisodeNumber = 16

| Title = You and I, the Union of Two Universes

| TranslitTitle = Neowa Na, Du Uju-eui Hapjiphap

| NativeTitle = 너와 나, 두 우주의 합집합

| NativeTitleLangCode = ko

| OriginalAirDate = {{Start date|2023|3|5}}

| Viewers = 4.329

| ShortSummary = Hae-yi's choice makes Haeng-seon uncomfortable, but she decides to respect it and prepares to let her go. However, some time later, Hae-yi continues living with her aunt. On D-day, she performs well on the college entrance exam and celebrates her graduation. Haeng-seon and Chi-yeol work toward a happy future together.

| LineColor = 36454F

}}

}}

The series marked the third collaboration between director Yoo Je-won and screenwriter Yang Hee-seung after High School King of Savvy (2014) and Oh My Ghost (2015). It was reported that filming began in the summer of 2022, and ended on February 5, 2023.{{cite web|url=https://entertain.naver.com/read?oid=052&aid=0001714114|first=Yoo-na|last=Lee|script-title=ko:[단독] 정경호, 전도연 만날까...tvN '일타스캔들' 남자주인공 물망|publisher=YTN|via=Naver|date=March 16, 2022|access-date=September 16, 2022|language=ko|archive-date=September 20, 2022|archive-url=https://web.archive.org/web/20220920163532/https://entertain.naver.com/read?oid=052&aid=0001714114|url-status=live}}{{cite web|first=Hye-jin|last=Hwang|date=February 5, 2023|script-title=ko:전도연X정경호 '일타스캔들' 측 "오늘(5일) 촬영 종료, 비공개 쫑파티" [공식]|url=https://entertain.naver.com/read?oid=609&aid=0000685465|access-date=February 5, 2023|website=Newsen|via=Naver|language=ko|archive-date=February 5, 2023|archive-url=https://web.archive.org/web/20230205092225/https://entertain.naver.com/read?oid=609&aid=0000685465|url-status=live}}

{{Track listing

| headline = Released on January 15, 2023{{Cite web|script-title=ko:일타 스캔들 OST Part 1|trans-title=Crash Course in Romance OST Part 1|url=https://www.melon.com/album/detail.htm?albumId=11147694|website=Melon|via=YG Plus|agency=Studio MaumC|date=January 15, 2023|access-date=January 30, 2023|language=ko|archive-date=January 30, 2023|archive-url=https://web.archive.org/web/20230130100442/https://www.melon.com/album/detail.htm?albumId=11147694|url-status=live}}{{Cite web|title=Crash Course in Romance Pt. 1 (Original Television Soundtrack) - Single|url=https://music.apple.com/album/crash-course-in-romance-pt-1-original-television-soundtrack/1665061338|website=Apple Music|publisher=Apple, Inc.|via=YG Plus|agency=Studio MaumC|date=January 15, 2023|access-date=January 30, 2023|archive-date=February 22, 2023|archive-url=https://web.archive.org/web/20230222003128/https://music.apple.com/us/album/crash-course-in-romance-pt-1-original-television-soundtrack/1665061338|url-status=live}}

| extra_column = Artist

| title1 = Gypsophila

| note1 = {{lang|ko|안개꽃}}

| lyrics1 = Oh Dong-jun

| music1 = Oh Dong-jun

| extra1 = Lee Ju-hyuk

| length1 = 3:32

| title2 = Gypsophila

| note2 = {{lang|ko|안개꽃}}; {{Abbr|Inst.|Instrumental}}

| music2 = Oh Dong-jun

| length2 = 3:32

| total_length = 7:04

}}

{{Track listing

| headline = Released on January 22, 2023{{Cite web|script-title=ko:일타 스캔들 OST Part 2|trans-title=Crash Course in Romance OST Part 2|url=https://www.melon.com/album/detail.htm?albumId=11153928|website=Melon|via=YG Plus|agency=Studio MaumC|date=January 22, 2023|access-date=January 30, 2023|language=ko|archive-date=January 30, 2023|archive-url=https://web.archive.org/web/20230130100437/https://www.melon.com/album/detail.htm?albumId=11153928|url-status=live}}{{Cite web|title=Crash Course in Romance Pt. 2 (Original Television Soundtrack) - Single|url=https://music.apple.com/album/crash-course-in-romance-pt-2-original-television-soundtrack/1666769524|website=Apple Music|publisher=Apple, Inc.|via=YG Plus|agency=Studio MaumC|date=January 22, 2023|access-date=January 30, 2023|archive-date=February 22, 2023|archive-url=https://web.archive.org/web/20230222003134/https://music.apple.com/us/album/crash-course-in-romance-pt-2-original-television-soundtrack/1666769524|url-status=live}}

| extra_column = Artist

| title1 = It's Sunny Today

| note1 = {{lang|ko|오늘은 맑음}}

| lyrics1 = {{hlist|Jung Gu-hyun|Aseul}}

| music1 = Jung Gu-hyun

| extra1 = Grass

| length1 = 3:06

| title2 = It's Sunny Today

| note2 = {{lang|ko|오늘은 맑음}}; {{Abbr|Inst.|Instrumental}}

| music2 = Jung Gu-hyun

| length2 = 3:06

| total_length = 6:12

}}

{{Track listing

| headline = Released on January 29, 2023{{Cite web|script-title=ko:일타 스캔들 OST Part 3|trans-title=Crash Course in Romance OST Part 3|url=https://www.melon.com/album/detail.htm?albumId=11159290|website=Melon|via=YG Plus|agency=Studio MaumC|date=January 29, 2023|access-date=March 5, 2023|language=ko|archive-date=January 30, 2023|archive-url=https://web.archive.org/web/20230130100443/https://www.melon.com/album/detail.htm?albumId=11159290|url-status=live}}{{Cite web|title=Crash Course in Romance, Pt. 3 (Original Television Soundtrack) - Single|url=https://music.apple.com/us/album/crash-course-in-romance-pt-3-original-television-soundtrack/1668308740|website=Apple Music|publisher=Apple, Inc.|via=YG Plus|agency=Studio MaumC|date=January 29, 2023|access-date=March 5, 2023|archive-date=March 5, 2023|archive-url=https://web.archive.org/web/20230305162105/https://music.apple.com/us/album/crash-course-in-romance-pt-3-original-television-soundtrack/1668308740|url-status=live}}

| extra_column = Artist

| title1 = The Opposite Side

| note1 = {{lang|ko|반대편}}

| lyrics1 = Hong Ye-jin

| music1 = Hong Ye-jin

| extra1 = Lee Juck

| length1 = 4:10

| title2 = The Opposite Side

| note2 = {{lang|ko|반대편}}; {{Abbr|Inst.|Instrumental}}

| music2 = Hong Ye-jin

| length2 = 4:10

| total_length = 8:20

}}

{{Track listing

| headline = Released on February 5, 2023{{Cite web|script-title=ko:일타 스캔들 OST Part 4|trans-title=Crash Course in Romance OST Part 4|url=https://www.melon.com/album/detail.htm?albumId=11165876|website=Melon|via=YG Plus|agency=Studio MaumC|date=February 5, 2023|access-date=February 13, 2023|language=ko|archive-date=February 13, 2023|archive-url=https://web.archive.org/web/20230213063948/https://www.melon.com/album/detail.htm?albumId=11165876|url-status=live}}{{Cite web|title=Crash Course in Romance Pt. 4 (Original Television Soundtrack) - Single|url=https://music.apple.com/album/crash-course-in-romance-pt-4-original-television-soundtrack/1669753641|website=Apple Music|publisher=Apple, Inc.|via=YG Plus|agency=Studio MaumC|date=February 5, 2023|access-date=February 13, 2023|archive-date=February 22, 2023|archive-url=https://web.archive.org/web/20230222003147/https://music.apple.com/us/album/crash-course-in-romance-pt-4-original-television-soundtrack/1669753641|url-status=live}}

| extra_column = Artist

| title1 = At Night

| note1 = {{lang|ko|간밤에}}

| lyrics1 = Dailog

| music1 = {{hlist|Dailog|Hen}}

| extra1 = Giriboy

| length1 = 2:52

| title2 = At Night

| note2 = {{lang|ko|간밤에}}; {{Abbr|Inst.|Instrumental}}

| music2 = {{hlist|Dailog|Hen}}

| length2 = 2:52

| total_length = 5:44

}}

{{Track listing

| headline = Released on February 12, 2023{{Cite web|script-title=ko:일타 스캔들 OST Part 5|trans-title=Crash Course in Romance OST Part 5|url=https://www.melon.com/album/detail.htm?albumId=11172350|website=Melon|via=YG Plus|agency=Studio MaumC|date=February 12, 2023|access-date=February 13, 2023|language=ko|archive-date=February 13, 2023|archive-url=https://web.archive.org/web/20230213063948/https://www.melon.com/album/detail.htm?albumId=11172350|url-status=live}}{{Cite web|title=Crash Course in Romance Pt. 5 (Original Television Soundtrack) - Single|url=https://music.apple.com/album/crash-course-in-romance-pt-5-original-television-soundtrack/1671070955|website=Apple Music|publisher=Apple, Inc.|via=YG Plus|agency=Studio MaumC|date=February 12, 2023|access-date=February 13, 2023|archive-date=February 22, 2023|archive-url=https://web.archive.org/web/20230222003158/https://music.apple.com/us/album/crash-course-in-romance-pt-5-original-television-soundtrack/1671070955|url-status=live}}

| extra_column = Artist

| title1 = Alright

| lyrics1 = Jin Dong-wook

| music1 = Jin Dong-wook

| extra1 = Ha Hyun-sang

| length1 = 3:22

| title2 = Alright

| note2 = {{Abbr|Inst.|Instrumental}}

| music2 = Jin Dong-wook

| length2 = 3:22

| total_length = 6:44

}}

{{Track listing

| headline = Released on February 26, 2023{{cite web|script-title=ko:일타 스캔들 OST Part 6|trans-title=Crash Course in Romance OST Part 6|url=https://www.melon.com/album/detail.htm?albumId=11189722|via=Melon|publisher=YG Plus|agency=Studio MaumC|date=February 26, 2023|access-date=March 5, 2023|language=ko|archive-date=March 5, 2023|archive-url=https://web.archive.org/web/20230305093731/https://www.melon.com/album/detail.htm?albumId=11189722|url-status=live}}{{cite web|title=Crash Course in Romance, Pt. 6 (Original Television Soundtrack) - Single|url=https://music.apple.com/us/album/crash-course-in-romance-pt-6-original-television-soundtrack/1674102475|website=Apple Music|publisher=Apple, Inc.|via=YG Plus|agency=Studio MaumC|date=February 26, 2023|access-date=March 5, 2023|archive-date=March 5, 2023|archive-url=https://web.archive.org/web/20230305162107/https://music.apple.com/us/album/crash-course-in-romance-pt-6-original-television-soundtrack/1674102475|url-status=live}}

| extra_column = Artist

| title1 = Love Code [1+1=1]

| lyrics1 = {{hlist|MaO|Naiv}}

| music1 = Naiv

| extra1 = Vincent Blue

| length1 = 3:37

| title2 = Love Code [1+1=1]

| note2 = {{Abbr|Inst.|Instrumental}}

| music2 = Naiv

| length2 = 3:37

| total_length = 7:14

}}

The series' original script was published in two books, each covering eight episodes.{{Cite web |last=Baek |first=Seong-won |date=February 28, 2023|script-title=ko:TV-OTT 통합 마성의 드라마 일타 스캔들 무삭제 대본집 출간 |trans-title=Tie-in Books of TV series 'Crash Course in Romance' Published |url=http://www.munhaknews.com/news/articleView.html?idxno=71705 |access-date=March 6, 2023|website=Munhak News|language=ko |archive-date=March 6, 2023|archive-url=https://web.archive.org/web/20230306145857/http://www.munhaknews.com/news/articleView.html?idxno=71705 |url-status=live }}

{{Television ratings graph

| title = Crash Course in Romance

| refs = Audience measurement performed nationwide by Nielsen Korea.

| average = y

| width = 400

| height = 250

| country = South Korea

|-

| 0.971

| 1.461

| 1.354

| 1.819

| 2.242

| 2.660

| 2.433

| 3.010

| 2.505

| 3.232

| 3.076

| 3.328

| 2.855

| 3.646

| 3.755

| 4.329

| 2.667

}}

During its airing, Crash Course in Romance generated significant buzz in the data world. According to Good Data Corporation,{{efn|Good Data Corporation ({{lang|ko|굿데이터코퍼레이션은}}) is an online public opinion analysis service. It analyzes online information and public opinion by field, and provides TV topical broadcasting programs, online topic rankings, and quality evaluations of performers and marketing effect analysis. TV topicality survey target series that were being aired or scheduled to be broadcast. Unlike the audience rating, which measures only the viewing time for the broadcast time, TV topicality is to diagnose the evaluation by examining, indexing, and analyzing the netizens' reactions that appeared in online news, blogs, communities, social media, and videos for one week after each program was broadcast.{{cite web|url=http://www.gooddata.co.kr/home/biz.html?pgm=b_04|access-date=February 21, 2023|script-title=ko:조사 Flow|website=Good Data|language=ko|archive-date=November 15, 2022|archive-url=https://web.archive.org/web/20221115072829/http://www.gooddata.co.kr/home/biz.html?pgm=b_04|url-status=live}}}} it ranked first with a Topicality share of 23.8% in the Top 10 TV Topicality Ranking in the drama division for four consecutive weeks. In the performer category, the casts were in Top 10. Specifically, in the 1st week of January, Jung Kyung-ho was 1st and Jeon Do-yeon 2nd; the next week they stayed 1st and 2nd, with Roh at 10th. By the 3rd week, Roh Yeon-soo rose to 7th. In the 4th week, Jeon dropped to 3rd, Roh was 8th, and Shin Jae-ha debuted at 14th. The 5th and 6th weeks saw Jung 1st, Jeon 2nd, Roh between 6th and 8th, and Shin moving up to 5th. In the 7th week, Jung fell to 2nd, Jeon to 3rd, Roh 5th, and Shin 6th. By the 8th week, Roh topped the chart, followed by Jung 2nd, Jeon 3rd, and Shin 4th.{{cite web|date=February 20, 2023|script-title=ko:'일타 스캔들' 4주 연속 TV·OTT 통합 드라마 화제성 1위|trans-title='Crash Course in Romance' ranked first on TV and OTT integrated drama for 4 weeks in a row|url=https://www.mk.co.kr/star/broadcasting-service/view/2023/02/142564/|access-date=February 21, 2023|website=Star Today|language=ko|archive-date=February 22, 2023|archive-url=https://web.archive.org/web/20230222003225/https://www.mk.co.kr/star/broadcasting-service/view/2023/02/142564/|url-status=live}}

In the OTT media service drama rankings, Crash Course in Romance secured the top spot for three consecutive weeks. According to the weekly integrated content ranking chart of Kinolights (February 4–10, 2023), a content viewing and analysis service, the series which first aired on January 14, took the lead among dramas.{{cite web|author=Yoon In-sun|date=February 17, 2023|script-title=ko:영화 '슬램덩크' 장기흥행 돌입, '일타 스캔들'도 OTT 드라마 3주째 정상|trans-title=The movie 'Slam Dunk' has been in a long-term box office, and 'Crash Course in Romance' has also been normal for 3 weeks in OTT dramas.|url=https://www.businesspost.co.kr/BP?command=article_view&num=306579|access-date=February 26, 2023|website=Business Post|language=ko|archive-date=February 26, 2023|archive-url=https://web.archive.org/web/20230226003542/https://www.businesspost.co.kr/BP?command=article_view&num=306579|url-status=live}} In the first week of March, the drama rank second, still took lead among dramas.{{Cite web |date=March 13, 2023|script-title=ko:'나는 신이다' 넷플릭스 공개 일주일만에 OTT 통합 콘텐츠 1위 |trans-title='I'm God' Ranked 1st in OTT integrated content in a week after Netflix release |url=http://www.slist.kr/news/articleView.html?idxno=432440 |access-date=March 13, 2023|website=Slist|language=ko |archive-date=2023-03-13 |archive-url=https://web.archive.org/web/20230313031557/http://www.slist.kr/news/articleView.html?idxno=432440 |url-status=live }}

The series influenced Korean fashion. Gmarket and SSG.com announced on March 13, 2023, that the flower-patterned blouse of Nam Haeng-seon (played by Jeon Do-yeon) in the drama was gaining popularity. It was named "Southbound fashion". According to Gmarket sales data, the sales growth rate of retro fashion such as lace/ruffle blouses (67%), chiffon blouses (62%), and printed blouses (92%) was high during the airing of the drama. Pattern/print blouses (20%), jeans (15%), and lace/ruffle blouses (10%) also sold well on SSG.com.{{Cite web |last=Oh |first=Ji-eun |date=March 13, 2023|title='더 글로리·일타스캔들'에서 본 그 옷?'... 미디어 콘텐츠 소비가 뜬다 |trans-title=Here are the clothes Jeon Do-yeon wear in 'Crash Course in Romance'|url=https://www.yna.co.kr/view/AKR20230312041600003 |access-date=March 13, 2023|agency=Yonhap News Agency |language=ko |archive-date=March 13, 2023|archive-url=https://web.archive.org/web/20230313013945/https://www.yna.co.kr/view/AKR20230312041600003 |url-status=live }}

{{notelist}}

{{reflist}}

• {{Official website|https://tvn.cjenm.com/ko/crashcourseinromance/}} {{in lang|ko}}
• {{Production website|url=https://www.studiodragon.net/en/works/portfolio/crash-course-in-romance/}}
• {{Production website|url=https://www.studiodragon.net/ko/works/portfolio/%EC%9D%BC%ED%83%80-%EC%8A%A4%EC%BA%94%EB%93%A4/|lang=ko}}
• {{IMDb title}}
• {{Hancinema drama}}

{{Works by Studio Dragon}}

{{TvN (South Korean TV channel) television dramas (2020–present)}}

Category:Korean-language television shows

Category:TvN (South Korean TV channel) television dramas

Category:Television series by Studio Dragon

Category:South Korean romantic comedy television series

Category:2023 South Korean television series debuts

Category:2023 South Korean television series endings

Category:Korean-language Netflix exclusive international distribution programming