2009–10 United States network television schedule

The 2009–10 network television schedule for the five major English-language commercial broadcast networks in the United States covers primetime hours from September 2009 through August 2010. The schedule is followed by a list per network of returning series, new series, and series canceled after the 2008–09 season. Fox was the first to announce its fall schedule on May 18, 2009, followed by ABC and NBC on May 19, CBS on May 20, and The CW on May 21, 2009. PBS is not included; member stations have local flexibility over most of their schedules and broadcasts times for network shows may vary. NBC stripped The Jay Leno Show weeknights at 10 p.m. Eastern/9 p.m. Central, but removed it after the 2010 Vancouver Winter Olympics. The CW eliminated its Sunday night programming block and returned that time to local affiliates; it returned to programming Sunday nights in the 2018-19 season. After four years as a network, MyNetworkTV became a programming service, and therefore not recognized as a network. New series are highlighted in bold. All times are U.S. Eastern and Pacific Time (except for some live sports or events). Subtract one hour for Central, Mountain, Alaska and Hawaii–Aleutian times. Note: From February 12 to February 28, 2010, all NBC primetime programming was pre-empted for coverage of 2010 Winter Olympics in Vancouver. Each of the 30 highest-rated shows is listed with its rank and rating as determined by Nielsen Media Research.

Legend

Light blue indicates local programming. Gray indicates encore programming. Blue-gray indicates news programming. Light green indicates sporting events. Red indicates series being burned off and other regularly scheduled programs, including specials and movies. Light gold indicates programming produced outside of the United States. Yellow highlights indicates the top-10 most watched programs of the season. Cyan highlights indicates numbers 11-20 most watched programs of the season. Magenta highlights indicates numbers 21-30 most watched programs of the season. Highlights indicates that it falls in multiple of the above categories.

Sunday

Monday

Tuesday

Wednesday

NOTES: On NBC, Parenthood was supposed to have started the night at 8–9, but it was delayed to midseason at the last minute and placed Mercy instead. On Fox, Our Little Genius was supposed to debut on January 10, 2010 but was cancelled and replaced with American Idol.

Thursday

Friday

NOTE: On NBC, Southland would have to be aired 9–10, but it was cancelled at the last minute and it was picked up by TNT.

Saturday

By network