The Cosby Show (1984)

S1E16 Jitterbug Break

Cliff aims to win over Denise's friends by giving them jitterbug lessons. Meanwhile, Clair's friends join in, eager to display their own dance skills. Before long, the entire house transforms into a lively dance floor. Blair Underwood appears uncredited as Denise's boyfriend, with Judith Jamison portraying Marie, Donald McKayle as Ralph, Gerard Cooper as Guy, and Christine Langner as Girl.