How long has William F. Buckley’s syndicated talk show “Firing Line” been on the air? July 14, 2020 by Pamela Landy William F. Buckley’s syndicated talk show “Firing Line” has been on the air since April 1966. Related Answers Where were the following situation comedies set? How many spinoffs did “The Mary Tyler Moore Show” (CBS, 1970-77) have? Who was Garry Moore’s sidekick on “The Garry Moore Show” (CBS, 1958-67)? How long have Siskel and Ebert had a syndicated television show? Who is the actor who says to Claude Rains at the end of Notorious (1946), “Alex, will you come in please? I wish to talk to you”? How long has the TV game show “Wheel of Fortune” been on the air?