Original: Q&A with Mel Brooks - Los Angeles Times The series show was broadcast on NBC-TV from September 18, 1965, to April 12, 1969, after which it moved to CBS-TV for its final season, running from September 26, 1969, to September 11, 1970.
Simplified: It was then shown on CBS from September 26, 1969, to September 11, 1970.