Joanie Loves Chachi is an American television spin-off of the American sitcom Happy Days that was originally broadcast on ABC from March 23, 1982 to May 24, 1983. It stars Erin Moran and Scott Baio as the titular Joanie Cunningham and Chachi Arcola, respectively.

The friendship of a group of young friends struggling with teen sex, drugs, and work is jeopardized by a romantic interest which may turn pals into bitter rivals.