| 释义 |
- Legend
- Schedule
- References
{{unreferenced|date=December 2018}}These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September, 2008 to August, 2009. 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{{plainlist|- {{Color box|#abbfff|border=darkgray}} Light blue indicates Local programming.
- {{Color box|#C0C0C0|border=darkgray}} Gray indicates encore programming.
- {{Color box|yellow|border=darkgray}} Yellow indicates late night talk or variety shows.
- {{Color box|gold|border=darkgray}} 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 | 2:30 am | 3:00 am | 3:30 am | 4:00 am | 4:30 am | 5:00 am | 5:30 am |
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| ABC | Local Programming | Nightline (11:35) | Jimmy Kimmel Live! (12:05) | Local Programming | ABC World News Now | America This Morning | America This Morning |
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| 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 | CBS Morning News |
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| NBC | Fall | Local Programming | The Tonight Show with Jay Leno (11:35)
Saturday Night Live (Sat. 11:30) | Late Night with Conan O'Brien | Last Call with Carson Daly | Poker After Dark | The Tonight Show with Jay Leno (R) | Local Programming | Early Today | Local Programming |
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| Spring | Late Night with Jimmy Fallon |
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| Summer | The Tonight Show with Conan O'Brien (11:35)
Saturday Night Live (Sat. 11:30) | Late Night with Jimmy Fallon (R) |
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| FOX | Fall | MADtv (Sat.) | Talkshow with Spike Feresten (Sat.) | Local Programming |
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| Spring | Talkshow with Spike Feresten (Sat.) | Local Programming |
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Note: The Tonight Show with Jay Leno ended its first run on May 29, 2009, with The Tonight Show with Conan O'Brien premiering on June 1, 2009.
Note: Late Night with Conan O'Brien ended on February 20, 2009, with Late Night with Jimmy Fallon premiering on March 2, 2009. ReferencesTV Listings - New York Times TV Listings {{US TV schedule (late night)}}{{DEFAULTSORT:2008-09 United States network television schedule (late night)}} 3 : United States late night network television schedules|2008 in American television|2009 in American television |