The seventh season of the American Western television series Bonanza premiered on NBC on September 12, 1965, with the final episode airing May 15, 1966.

Season seven starred Lorne Greene, Dan Blocker, and Michael Landon.

[3] Bonanza is set around the Ponderosa Ranch near Virginia City, Nevada and chronicles the weekly adventures of the Cartwright family, consisting of Ben Cartwright and his three sons (each by a different wife), Adam, Eric ("Hoss"), and Joseph ("Little Joe").

After trying for years to exit his six-year contract early, Pernell Roberts left the show at the end of season six.

[5] Filming locations for season seven included: Part 1: Ben is not pleased with Joe's decision to join the Pony Express.