| Bonanza | |
|---|---|
| Season 13 | |
 Cast of Bonanza in 1959 | |
| Starring | |
| No. of episodes | 26 |
| Release | |
| Original network | NBC |
| Original release | September 19, 1971 – April 2, 1972 |
| Season chronology | |
The thirteenth season of the American Western television series Bonanza premiered on NBC on September 19, 1971, with the final episode airing April 2, 1972.[1] The series was developed and produced by David Dortort. Season thirteen starred Lorne Greene, Dan Blocker, and Michael Landon. The season consisted of 26 episodes of a series total 431 hour-long episodes, the entirety of which was produced in color.[2] Season thirteen was aired on Sundays at 9:00 p.m. It fell to #20 in the Nielsen ratings.[3]
- ^ Shapiro 1997, pp. 151, 154.
- ^ Shapiro 1997, pp. 5, 65–157.
- ^ "TV Ratings: 1971–1972". ClassicTVGuide.com. Retrieved September 14, 2023.