Joanie Loves Chachi is an American sitcom television series and a spin-off of Happy Days that aired on ABC from March 23, 1982, to May 24, 1983. It stars Erin Moran and Scott Baio as the characters Joanie Cunningham and Chachi Arcola, respectively. The series was cancelled after 17 episodes, in its second season, due to a drop in ratings.