Rowan & Martin's Laugh-In cards to display punchlines. On "Letters to Laugh-In", a short-lived spin-off daytime show hosted by Gary Owens, cast members read jokes sent in by viewers, which were scored by applause meter. The eventual winning joke was read by actress Jill St. John: "What do you get when you cross an elephant with a jar of peanut butter? A 500 pound sandwich that sticks to the roof of your mouth!" A cross-promotional episode of "I Dream of Jeannie" ("The Biggest Star in Hollywood", February 1969) features Judy Carne, Arte Johnson, Gary Owens, and producer George Schlatter playing themselves in a story
Rowan & Martin's Laugh-In Rowan & Martin's Laugh-In 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. "Laugh-In" originally aired as a one-time special on September 9, 1967, and was such a success that it was brought back as a series, replacing "The Man from U.N.C.L.E." on Mondays at 8 pm (ET). The title of the show was a play on the "love-ins" or "be-ins" of the 1960s