Happy Days (1974)

S07E11 Fonzie Versus the She Devils

Richie, Potsie, and Ralph find themselves at a party thrown by the She Devils gang, unaware that the event is a contest to see who can bring the biggest nerd, with a $100 prize at stake. Once Richie realizes the true nature of the gathering, he and his friends make a quick exit. Just as they try to leave, a group of She Devils bursts in, dragging along a sack that contains Chachi, the guy who dumped the sister of the gang's leader.