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1989–90 United States network television schedule (late night)
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These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 1989 to August 1990. 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
Monday-Friday
| Network | 11:00 pm | 11:30 pm | 12:00 am | 12:30 am | 1:00 am | 1:30/1:35 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 | ABC | Fall | Summer | CBS | Fall | Spring | NBC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Local Programming | Nightline | Local Programming | |||||||||||||||||||
| *Into the Night Starring Rick Dees* | Local Programming | ||||||||||||||||||||
| Local Programming | The Pat Sajak Show | Local Programming | CBS News Nightwatch | ||||||||||||||||||
| *Wiseguy* | *CBS Late Night* | Local Programming | |||||||||||||||||||
| Local Programming | The Tonight Show Starring Johnny Carson | Late Night with David Letterman | Later With Bob Costas (Mon-Thu, 1:35) | ||||||||||||||||||
| Friday Night Videos (Fri, 1:30-2:30) | Local Programming |
The Pat Sajak Show was reduced to 60 minutes on October 30, 1989.
Saturday
| 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 | NBC | FOX |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Local Programming | Saturday Night Live | Local Programming | ||||||||||||||
| Comic Strip Live | Local Programming |
Sunday
| 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 | NBC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Local Programming | The George Michael Sports Machine | Local Programming |
By network
[[American Broadcasting Company|ABC]]
Returning series
- Nightline New series
- Into the Night Starring Rick Dees
[[CBS]]
Returning series
- CBS Late Night
- CBS News Nightwatch
- The Pat Sajak Show
[[NBC]]
Returning series
- Friday Night Videos
- The George Michael Sports Machine
- Late Night with David Letterman
- Later With Bob Costas
- Saturday Night Live
- The Tonight Show Starring Johnny Carson
[[Fox Broadcasting Company|Fox]]
Returning series
- Comic Strip Live
References
References
- Acken, Lori. (2025-05-22). "Johnny Carson's Final 'Tonight Show' Aired 33 Years Ago: Facts You Never Knew About the Final Episode".
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