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
Laugh track at it, and then tried it adding a laugh track to it, and it's unfortunate, but it makes the show funnier." Various Muppet characters or guest stars broke the fourth wall and acknowledged the use of the laugh track. In the fourth episode of the series, Kermit the Frog was asked by guest Ruth Buzzi if he felt a gag or routine was funny enough for the show, to which he turned to the camera and replied, "That's up to the laugh track." A season two episode featuring guest Steve Martin eschewed a laugh track altogether to support the concept