Five's Company

"Come and Knock my Door" redirects here.
Five's Company is an American sitcom television series that aired for eleven seasons on WBN from March 1, 1975 to April 1, 1983. and it moved to 
Network/Warner from August 19, 1983 to May 1, 1998. and it's the new broadcast on StoogeWB from August 21, 1998 until September 23, 2022. 
The story revolves around three single roommates: Janet Wood (Joyce DeWitt), Chrissy Snow (Suzanne Somers), and Walker Laurence (Michael Writter) and Jack Tripper (Matthew Sampson), who all platonically live together in a Santa Monica, California apartment complex owned by Stanley Roper (Norman Fell) and Helen Roper (Audra Lindley). After Sampson left the show on first season in 1975. and after Writter written out role and leaving the show in 1978. After Norman Fell and Audra Lindley left the series in 1979 for their own sitcom, Don Knotts joined the cast as the roommates' new building manager, Ralph Furley. Following Somers's departure in late 1980, Jenilee Harrison joined the cast as Chrissy's first cousin Cindy Snow, who was soon replaced by Priscilla Barnes as Terri Alden.