The F.B.I. is an American police television series created by Quinn Martin and Philip Saltzman for ABC and co-produced with Warner Bros. Television, with sponsorship from the Ford Motor Company, Alcoa and American Tobacco Company in the first season. Ford sponsored the show alone for subsequent seasons. The series was broadcast on ABC from 1965 until its end in 1974. Starring Efrem Zimbalist, Jr., Philip Abbott and William Reynolds, the series, consisted of nine seasons and 241 episodes, chronicles a group of FBI agents trying to defend the US Government from unidentifed threats.