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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.
| 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 | Local Programming | Nightline | Local Programming | |||||||||||
| Summer | Into the Night Starring Rick Dees | Local Programming | |||||||||||||
| CBS | Fall | Local Programming | The Pat Sajak Show | Local Programming | CBS News Nightwatch | ||||||||||
| Spring | Wiseguy | CBS Late Night | Local Programming | ||||||||||||
| NBC | 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.
| 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 | Saturday Night Live | Local Programming | ||||||||||||
| FOX | Comic Strip Live | Local Programming | |||||||||||||
| 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 | ||||||||||||
Returning series | New series |
Returning series |
Returning series |
The 1988–89 daytime network television schedule for the three major English-language commercial broadcast networks in the United States covers the weekday and weekend daytime hours from September 1988 to August 1989.
The 1989–90 daytime network television schedule for the three major English-language commercial broadcast networks in the United States covers the weekday and weekend daytime hours from September 1989 to August 1990.
These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 1988 to August 1989. 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.
These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 1988 to August 1989. 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.
These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 1991 to August 1992. 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.
These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 1992 to August 1993. 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.
These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 1993 to August 1994. 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.
These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 1994 to August 1995. 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.
These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 1990 to August 1991. 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.
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.
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.
These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 2014 to August 2015. 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.
These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 2015 to August 2016. 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.
These are the late night schedules for the four United States broadcast networks that offer programming during this time period, starting September 2017. 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.
These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 2013 to August 2014. 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.
These are the late night schedules for the four United States broadcast networks that offer programming during this time period, starting September 2018. 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.
The 2019–20 network late night television schedule for the five major English-language commercial broadcast networks in the United States covers the late night hours from September 2019 to August 2020. The schedule is followed by a list per network of returning series, new series, and series canceled after the 2018–19 television season.
The 2020–21 network late night television schedule for the five major English-language commercial broadcast networks in the United States covers the late night hours from September 2020 to August 2021. The schedule is followed by a list per network of returning series, new series, and series canceled after the 2019–20 television season.
The 2021–22 network late night television schedule for the four major English-language commercial broadcast networks in the United States covers the late night hours from September 2021 to August 2022. The schedule is followed by a list per network of returning series, new series, and series canceled after the 2020–21 television season.
The 2022–23 network late night television schedule for the four major English-language commercial broadcast networks in the United States covers the late night hours from September 2022 to August 2023. The schedule is followed by a list per network of returning series, new series, and series canceled after the 2021–22 television season.