The Sweathogs purchase term papers from a couple of local hoods. Kotter recognizes Epstein's paper as one he himself had handed in years ago.
Vinnie (John Travolta) buys himself a new camel hair coat for Christmas, but it's stolen before he has a chance to enjoy it. John Travolta guest stars.
The Sweathogs convince Gabe to audition at a local hot spot, never expecting him to succeed, but after Mr. Charnoff a slick agent gets through with him, it's goodbye teacher, hello show biz.
The Sweathogs deny membership to a new student because she is a girl.
Horshack falls in love with Julie when she consoles him after he's rejected.