Leave It to Beaver (1957)

Season 2: Episode 26

While staying after school cleaning the chalkboards, Larry convinces Beaver that Mrs. Rayburn keeps a spanking machine in the closest in her office. Later, a curious Beaver sneaks a peek but soon finds himself locked in the principal's office. Beaver's fame doesn't go over well with his family but Beaver has another problem on his hands: he's just gotten his head stuck in an iron fence at the park.