1970s
| 1970–1971 | Prime Time | Weekday | Late Night | Saturday Morning |
| 1971–1972 | Prime Time | Weekday | Late Night | Saturday Morning |
| 1972–1973 | Prime Time | Weekday | Late Night | Saturday Morning |
| 1973–1974 | Prime Time | Weekday | Late Night | Saturday Morning |
| 1974–1975 | Prime Time | Weekday | Late Night | Saturday Morning |
| 1975–1976 | Prime Time | Weekday | Late Night | Saturday Morning |
| 1976–1977 | Prime Time | Weekday | Late Night | Saturday Morning |
| 1977–1978 | Prime Time | Weekday | Late Night | Saturday Morning |
| 1978–1979 | Prime Time | Weekday | Late Night | Saturday Morning |
| 1979–1980 | Prime Time | Weekday | Late Night | Saturday Morning |
Read more about this topic: List Of United States Network Television Schedules