Happy Days: Fonzie finds himself playing the role of parent when his young cousin, Spike, comes to stay. Fonzie soon regrets not following Howard's advice about laying down ground rules when Spike is caught as one of a group of thieves stealing from the cash register at Arnold's.

Starring:

Al Molinaro, Anson Williams, Don Most, Erin Moran, Henry Winkler, Marion Ross, Ron Howard, Scott Baio, Tom Bosley

Genre:

Comedy, Family, Music