Summer Lovin' from Grease plays while Latka sits alone at Marios at the end. Series star Jeff Conaway starred in the film version of Grease. That's Jeff Conaway and Marilu Henner's voices singing the song.
First appearance of Carol Kane as Simka Dahblitz. She would return for two episodes in season 4, before being promoted to main cast for the entirety of the final season.