The Sweathogs visit a radio station and get introduced on the air. When Freddie gets his turn to talk, he proves to be a big hit and develops a large fan following, but the other Sweathogs become jealous of his success.

With Kotter away on a teacher's conference, the Sweathogs decide to spend quality time with a pregnant Julie. However, Julie is not so thrilled with all the attention from the Sweathogs.

Epstein spies a sexy art teacher kiss Kotter and assumes that Kotter is cheating on Julie.