55 shows
Finales
Shows that ended in 1973
| Show | Network | Years | Seasons | Years on air |
|---|---|---|---|---|
| Lassie | CBS | 1954–1973 | 19 | 20 |
| Bonanza | NBC | 1959–1973 | 14 | 15 |
| UnderdogAnimated series | NBC, CBS | 1964–1973 | 3 | 10 |
| Mission: Impossible | CBS | 1966–1973 | 7 | 8 |
| Love Is a Many Splendored Thing | CBS | 1967–1973 | — | 7 |
| The Mod Squad | ABC | 1968–1973 | 5 | 6 |
| Rowan & Martin's Laugh-In | NBC | 1968–1973 | 6 | 6 |
| The Doris Day Show | CBS | 1968–1973 | 5 | 6 |
| Night Gallery | NBC | 1969–1973 | 3 | 5 |
| The Bold Ones: The New Doctors | NBC | 1969–1973 | 4 | 5 |
| The Bold Ones | NBC | 1969–1973 | 4 | 5 |
| Where the Heart Is | CBS | 1969–1973 | — | 5 |
| It's Your Bet | Syndication | 1969–1973 | 4 | 5 |
| Alias Smith and Jones | ABC | 1971–1973 | 3 | 3 |
| Archie's TV Funnies | CBS | 1971–1973 | 1 | 3 |
| Lidsville | ABC | 1971–1973 | — | 3 |
| Curiosity Shop | ABC | 1971–1973 | 1 | 3 |
| The New Scooby-Doo MoviesAnimated series | CBS | 1972–1973 | 2 | 2 |
| Lassie's Rescue RangersAnimated series | ABC | 1972–1973 | 1 | 2 |
| The Mouse FactoryAnimated series | 1972–1973 | 2 | 2 |