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| Image Alt: | Cast of Bonanza in 1959 |
| Starring: | |
| Num Episodes: | 28 |
| Network: | NBC |
| Episode List: | List of Bonanza episodes |
The eleventh season of the American Western television series Bonanza premiered on NBC on September 14, 1969, with the final episode airing April 19, 1970. The series was developed and produced by David Dortort. Season eleven starred Lorne Greene, Dan Blocker, and Michael Landon. The season consisted of 28 episodes of a series total 431 hour-long episodes, the entirety of which was produced in color. Season eleven was aired on Sundays at 9:00 p.m. It was #3 in the Nielsen ratings, behind #2 Gunsmoke.[1]
Bonanza is set around the Ponderosa Ranch near Virginia City, Nevada and chronicles the weekly adventures of the Cartwright family, consisting of Ben Cartwright (Lorne Greene) and his three sons (each by a different wife), Adam (Pernell Roberts), Eric "Hoss" (Dan Blocker), and Joseph (Michael Landon). Veteran actor Victor Sen Yung played the ranch cook, Hop Sing. In 1964, Pernell Roberts began expressing a desire to leave the series, and so prospective replacements were introduced via Barry Coe as Little Joe's wayward maternal half-brother Clay, and Guy Williams as Ben's nephew Will Cartwright. However, Roberts was persuaded to complete his contract, and remained through season six. The characters of Clay and Will were discontinued. In the ninth season, David Canary was added to the cast as ranch hand/foreman Candy Canady.
See also: List of Bonanza characters.
See also: List of Bonanza episodes.
Season eleven aired on Sundays from 9:00pm10:00pm on NBC.
Season eleven was number 3 in the Nielsen ratings, coming in behind Gunsmoke at number 2.