Mike's new college girlfriend, Mary Beth (Jena Engstrom), seems more interested in Steve (Fred MacMurray) than Mike (Tim Considine). She wants Steve to help her with her trigonometry class.
Mike and Tramp sneak out at night, much to the dismay of his girlfriend.
Mike tries to learn Spanish by sleeping with a Spanish tape playing under his pillow. When he goes on a trip, Steve sleeps in Mike's bed since his own room is being painted. The auto timed recorder plays; Steve talks Spanish in the morning.
Steve steps in when Robbie's band rehearsals disrupt the Douglas house.
Mike and Robbie each have dates the same night. Due to a mix up in names, Mike picks up Robbie's young date (Trudi Ames), and Robbie picks up an older woman (Carole Costello), meant for Mike.
