Three's Company is an American sitcom that aired from March 15, 1977, to September 18, 1984, on ABC. It's based upon the British sitcom, Man.The narrative revolves round three single room mates: Janet Wood, Chrissy Snow along with Jack Tripper who platonically discuss Brick 201 at a Santa Monica, California apartment building owned by Mr. and Mrs. Roper. Later, like Cindy Snow, who was replaced by Priscilla Barnes as Terri Alden, Jenilee Harrison joined the cast following the death of Suzanne Somers. Subsequent to the Ropers had been spun-off into their own sitcom, the cast was joined by Don Knotts while the roommates' new landlord Ralph Furley, brother Bart Furley, of the construction owner.A comedy of errors, the show, chronicles battle to maintain with the rescue along with hi jinks of the trio misunderstandings lives, and the escapades.