Freddie Prinze committed suicide after rising to stardom as Chico, forcing the producers to bring in new cast members to replace him. The replacements were not accepted and the series was cancelled soon after. José Feliciano was asked to write a theme song. He was worried that the producers would reject his song, so he wrote two. The producers bought both of them and used one at the beginning and the other at the end. During the first year, Chico used the catch phrase "That's not ...[Read Story ]