Flo is an American sitcom which aired on CBS from 1980 to 1981. The series is a spin-off for Polly Holliday who portrayed the sassy and street-smart waitress Florence Jean "Flo" Castleberry on the sitcom Alice. Flo was taped in front of a live studio audience at The Burbank Studios, Stage 6 in Burbank, California. The series was cancelled at the end of its second season.