Beaver feels left out when Wally gets a crush on a 14-year-old girl.
Beaver is granted permission to take his brand-new bike to school, but on the first day he takes it, it’s “borrowed” by a boy who doesn’t return it.
Robbie's girlfriend Vivian (Cindy Carol) suspects something is going on between Robbie (Don Grady) and Judy (Cheryl Holdridge) (the same girl who confused Robbie with Mike) and asks her brother (Paul Engle) to follow them.
Ben Tiple had every motive for a murder but swears he's innocent. With Charles Bronson.
Robbie builds a race car for the soap box derby. Meanwhile, Steve is building a missile in a race against a competitor company.