Bobo was # 52 chimpanzee in the chimponaut corps. Sam leaped into him in the Season 4 episode, "The Wrong Stuff", on January 24, 1961, with a mission to get him to the space program. He failed in the beginning, but managed to save Bobo anyway. After that, Al predicted that Bobo wold start a family with another chimp in the chimponaut corps, Corey.