Rowan & Martin's Laugh-In (often simply referred to as Laugh-In) is an American sketch comedy television program that ran for 140 episodes from January 22, 1968, to March 12, 1973, on the NBC television network. It was hosted by comedians Dan Rowan and Dick Martin and featured, at various times, Chelsea Brown, Johnny Brown, Ruth Buzzi, Judy Carne, Richard Dawson, Henry Gibson, Teresa Graves, Goldie Hawn, Arte Johnson, Larry Hovis, Jeremy Lloyd, Dave Madden, Pigmeat Markham, Gary Owens, Pamela Rodgers, Barbara Sharma, Alan Sues, Lily Tomlin and Jo Anne Worley.
-- Wikipedia