15 Things You Didn’t Know About ‘Bonanza’

10. Pernell Roberts Wasn’t a Fan of Bonanza

The oldest Cartwright son, played by Pernell Roberts, was an intellect and architect. Roberts considered himself in a similar school, thinking himself above the grueling 34-episode season. In 1964, Roberts left the program to work in the theater. On screen it was explained that Adam had “gone to sea”.

11. Oh that Michael Landon (Part 1)

Michael Landon was extremely committed to his role as the Cartwright’s youngest son, Little Joe. In fact, he was so committed to the role that he appeared in every single episode of the series except for fourteen, a total of 416 appearances. What’s more, it was on Bonanza that Landon began writing and directing, even turning in some of Bonanza’s most beloved episodes.

12. Oh that Michael Landon (Part 2)

Of course, that creative spark was also a thorn in the side of several of Landon’s co-workers. Though he was a talented all-around performer, he was apparently extremely difficult to work with, especially during the last five seasons of the show. What’s more, he was reportedly the reason that no new major characters were admitted to the cast.