Whatever Happened to Baby Custer?

An 8-year-old boy, Custer, idolizes Tony. One day when making an unannounced visit, Custer sees Jeannie's magic at work. The little boy blabs almost immediately. Dr. Bellows learns about this and decides to use him to prove that the recent wierd goings-on with Tony have some explanation. Of course, Jeannie uses her magic to cause even more trouble.