2009–10 United States network television schedule (late night)

These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September, 2009 to August, 2010. All times are Eastern or Pacific. Affiliates will fill non-network schedule with local, syndicated, or paid programming. Affiliates also have the option to preempt or delay network programming at their discretion.

Legend[]

Light blue indicates Local programming.
Gray indicates encore programming.
Yellow indicates late night talk or variety shows.
Gold indicates network news programming.

Schedule[]

Network		11:00 PM	11:30 PM	12:00 AM	12:30 AM	1:00 AM	1:30 AM	2:00 AM	3:00 AM	4:00 AM	4:30 AM	5:00 AM
ABC		Local Programming	Nightline (11:35)	Jimmy Kimmel Live! (12:05)		Local Programming			ABC World News Now		America This Morning	Local Programming
CBS		Local Programming	Late Show with David Letterman (11:35)		The Late Late Show with Craig Ferguson (12:35)		Local Programming		Up to the Minute		CBS Morning News	Local Programming
NBC	Fall	Local Programming	The Tonight Show with Conan O'Brien (11:35) Saturday Night Live (Saturday, 11:30)		Late Night with Jimmy Fallon		Last Call with Carson Daly	Poker After Dark	Late Night with Jimmy Fallon (R)	Local Programming	Early Today	Local Programming
NBC	Spring	Local Programming	The Tonight Show with Jay Leno (11:35) Saturday Night Live (Saturday, 11:30)		Late Night with Jimmy Fallon		Last Call with Carson Daly	Poker After Dark	Late Night with Jimmy Fallon (R)	Local Programming	Early Today	Local Programming
Fox	Fall	The Wanda Sykes Show (Saturday)		Sit Down, Shut Up (Saturday)	Local Programming
Fox	Summer	Encore Programming (Saturday)		Local Programming

Note: As the result of the Tonight Show conflict, O'Brien was let go at NBC, with his version of The Tonight Show ending on January 22, 2010. Jay Leno returned on March 1, 2010. O'Brien returned to late night in the Fall of 2010, with Conan airing on TBS.