Continuity mistake: June says, "Good night," to Beaver and walks out of his room. When she gets downstairs, she is wearing a different dress.
Leave It To Beaver (1957)
1 mistake in Cleaning Up Beaver
Starring: Barbara Billingsley, Hugh Beaumont, Jerry Mathers, Tony Dow
Theodore "Beaver" Cleaver: You know something, Wally? I'd rather do nothin' with you than somethin' with anybody else.
Trivia: Phyllis Coates, who plays the new neighbor Mrs. Donaldson, played Lois Lane in the first season of the Superman TV series in the 1950s.