| class="wikitable"
! Date
! Event |
| January 19 | Citytv announces major cutbacks in programming and firing of staff at its affiliates Toronto, Calgary, Vancouver, Edmonton and Winnipeg.[[https://archive.today/20120723110052/http://www.ctv.ca/servlet/ArticleNews/story/CTVNews/20100119/citytv_layoffs_100119/20100119?hub=TopStoriesV2 Citytv layoffs at stations across the country]] |
| January 22 | CBC Television, CTV and Global simultaneously broadcast Canada for Haiti, a relief special in response to the 2010 Haiti earthquake and French-language networks Radio-Canada, TVA, V, Télé-Québec, LCN, MusiquePlus, MusiMax and TV5 broadcast the French-language Ensemble pour Haïti. |
| February 12 | The televised 2010 Winter Olympics opening ceremony are the most watched programme in Canadian television history, with an average of 13.3 million Canadians watching at any moment.[[http://www.ctvolympics.ca/news-centre/newsid=40407.html?cid=rsstsn Opening Ceremony most watched Canadian event]] |
| February 22 | A combined 7.5 million viewers watch Virtue and Moir win Gold at the 2010 Winter Olympics skating to Mahler's Adagietto from Symphony No. 5. |
| rowspan="2"| February 28 | The 2010 Olympics men's ice hockey gold medal final drew an average 16.6 million viewers while a peak of 26.5 million Canadians watched at least part of the game.[{{cite web|url=https://ca.sports.yahoo.com/olympics/news;_ylt=Ahw1NCwxJFAJOet3ab15jYyjlgY6?slug=capress-oly_tv_ratings-011773920&prov=capress&type=lgns&print=1|title=Olympic hockey final draws big hockey audience north and south of the border|date=March 1, 2010|accessdate=2010-03-01|author=Canadian Press|publisher=Yahoo! Canada Sports}}][{{cite news | title=Oh Canada! 80 Percent of Canadians watch gold medal game. | date=2010-03-01 | url =http://tsn.ca/nhl/story/?id=312025 | work =TSN | accessdate = 2010-03-02 | archiveurl= https://web.archive.org/web/20100328051557/http://www.tsn.ca/nhl/story/?id=312025| archivedate= 28 March 2010 | url-status= live}}] |
The 2010 Winter Olympics closing ceremony was watched by an average of 14.3 million Canadians and peaked at 24.5 million.[{{cite news|url=https://www.ctvnews.ca/olympic-hockey-showdown-pulls-in-gold-medal-ratings-1.487917|archive-url=https://web.archive.org/web/20120310045711/http://toronto.ctv.ca/servlet/an/local/CTVNews/20100302/ent_hockey_ratings_100302?hub=TorontoNewHome|url-status=live|archive-date=March 10, 2012|title=Olympic hockey showdown pulls in gold medal ratings|publisher=CTV.ca|accessdate=2010-03-02|date=2010-03-02}}] |
| April 18 | The 2010 Juno Awards aired on CTV. Later, it is rebroadcast on MuchMusic. |
| April 30 | Kevin Newman announces he is resigning as anchor of Global National. His final day will be August 20. |
| May 16 | The first season of the Quebec version of Big Brother is won by Vincent Durand Dubé. |
| June 14 | Channel Zero and CHEK Media Group picks up the rights to virtually all of the US network series for the first time since the dissolution of the E! system from CKXT-TV and CHNU-TV. |
| July 8 | Lloyd Robertson announces at the end of the broadcast of CTV National News that he will retire as lead anchor in 2011.[[http://www.ctvnews.ca/lloyd-robertson-leaving-anchor-desk-1.530586 Lloyd Robertson announces retirement] {{webarchive |url=https://web.archive.org/web/20100712141621/http://www.ctv.ca/CTVNews/TopStories/20100708/lloyd-robertson-announcement-100708/ |date=July 12, 2010 }}. CTV News, July 8, 2010.] |
| July 9 | CTV announces that Lisa LaFlamme will be Lloyd Robertson's replacement as lead anchor of the CTV National News.[[http://www.ctvnews.ca/lisa-laflamme-named-as-lloyd-robertson-s-successor-1.531113 Lisa LaFlamme named as Lloyd Robertson's successor]. CTV News, July 9, 2010.] |
| July 11 | A combined 5.8 million people watch the 2010 FIFA World Cup final on CBC and Radio-Canada, coverage peaks at 7.6 million viewers.[[https://www.cbc.ca/sports/soccer/world-cup-tv-ratings-show-huge-rise-1.948992 World Cup TV ratings show huge rise]. cbc.ca, July 12, 2010.] |
| July 13 | Global announces that Dawna Friesen will succeed Kevin Newman as anchor of Global National.[[https://www.thestar.com/entertainment/television/article/835209--dawna-friesen-named-global-news-anchor?bn=1 "Dawna Friesen named Global news anchor"]. Toronto Star, July 13, 2010.] |
| August 2 | TV Land Canada is rebranded as Comedy Gold. |
| August 6 | The CBC announces that it will not meet the Canadian Radio-television and Telecommunications Commission deadline of August 31, 2011, for the digital transition, with only 15 or 27 transmitters ready by then.[{{cite news|url=https://www.cbc.ca/news/science/cbc-won-t-meet-digital-tv-deadline-1.905699|title=CBC won't meet digital TV deadline|publisher=CBC.ca|access-date=2010-08-06|date=2010-08-07}}] |
| August 28 | Being Ian begins its first ever transmission in Singapore on Okto. |
| August 31 | CHCH-TV re-brands it's modified classic remastered logo and a jingle. |
| September 10 | BCE Inc. announces it will purchase CTV for $1.3 billion.[[https://www.cbc.ca/news/business/bce-to-buy-ctv-for-1-3b-1.888285 BCE to buy CTV for $1.3B]][[https://www.ctvnews.ca/bell-canada-parent-bce-buys-ctv-inc-for-1-3b-1.551533 Bell Canada parent BCE buys CTV Inc. for $1.3B]] |
| September 20 | The first Canadian 3D documentary airs on CBC Television. The documentary chronicles the life of Elizabeth II and her role as the Monarch of Canada.[[http://www.cbc.ca/documentaries/doczone/QE3D/index.html Queen Elizabeth in 3D]] |
| October 27 | Shaw Communications officially takes over Canwest's broadcasting assets including Global.[[http://www.crtc.gc.ca/eng/com100/2010/r101022.htm CRTC approves Shaw’s purchase of the Canwest Global television properties] {{webarchive|url=https://web.archive.org/web/20110115004134/http://www.crtc.gc.ca/eng/com100/2010/r101022.htm |date=2011-01-15 }}] |
| November 1 | Discovery Health becomes Twist TV[[http://www.channelcanada.com/Article5084.html Discovery Health Rebrands As Twist TV] {{webarchive|url=https://web.archive.org/web/20100923094101/http://www.channelcanada.com/Article5084.html |date=2010-09-23 }}] |
| November 13 | The 2010 Gemini Awards air on Global. Less Than Kind and The Tudors take home top honors. |
| November 29 | Star was rebranded and returned as E!. The channel was currently ceased as a TV system since 2007. |