Tired of her reputation as easy, Rosalie Totsie tells the Sweathogs that she's pregnant -- and that one of them is the father -- in an effort to make the boys admit that the tales they tell about their "fun dates" with her aren't true.

Vinnie runs for student body president, but his campaign is a disaster, despite Gabe's efforts.

After returning to his roots by taking over the Sweathogs' history class for a day, Mr. Woodman turns into a nice guy; and Kotter turns into the new Mr. Woodman.