Only three Sleestak costumes existed. The production team had to merge shots and use editing tricks to make more appear on screen.
Bill Laimbeer, former Cleveland Cavaliers and Detroit Pistons center, was a Sleestak during the show's first season.
Wesley Eure performed songs at the end of three third season episodes with lyrics pertaining to the lesson learned in the course of the episode.
Above the title of Kathy Coleman's 2017 autobiography "Run, Holly, Run!," there's a quote from co-star Wesley Eure. He likes to joke that he got top-billing on both the show and on her book.
The producers had a falling out with Spencer Milligan after the second season, and hastily wrote him out of the show. Series writer/producer Jon Kubichan portrayed his character (seen only from behind) in the third season opener.