Dan Blocker as Hoss Cartwright, Lorne Greene as Ben Cartwright, and Michael Landon as Little Joe Cartwright on 'Bonanza' Image via NBC At the peak of its popularity, Bonanza was the number one show in ...
Bonanza ran from September 1959 to January 1973. In total, the NBC series had 432 episodes, and it stands as the network’s longest-running Western and one of the longest-running live-action series ...