When Bonanza first aired on September 12, 1959, it changed television history. One of the first shows filmed entirely in color, it introduced viewers to the Cartwright family on the sprawling ...
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 ...