Three's Company is an American sitcom that aired in 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 and Jack Tripper who all platonically share Apartment 20-1 in a Santa Monica, California apartment building owned by Mr. and Mrs. Roper. Later, after the departure of Suzanne Somers, the throw was joined by Jenilee Harrison as Cindy Snow, who was replaced by Priscilla Barnes as Terri Alden. Subsequent to the Ropers had been spun-off in their own sitcom,'' the cast was joined by Don Knotts since the roommates' landlord Ralph Furley, brother Bart Furley, of their new construction owner. A comedy of errors, the show, chronicles hi jinks and the escapades of the constant misunderstandings of their trio lives, and battle to maintain with the rent.