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 hippie culture, terms that were, in turn, derived from "sit-ins", common in protests associated with civil rights and antiwar demonstrations of the time. In 2002, "Rowan & Martin's Laugh-In" was ranked number 42 on "TV Guide's" 50 Greatest TV Shows of All Time. "Laugh-In" had its roots in the humor of vaudeville and burlesque, but its most direct influences were Olsen and Johnson's comedy (such as the free-form Broadway revue "Hellzapoppin'"), the innovative television works of Ernie Kovacs, and the topical satire of "That Was The Week That Was". The show was characterized by a rapid-fire series of gags and