Bonanza, season 11

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.