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 mentioned, the show created numerous catchphrases: A humor magazine tie-in, "Laugh-In Magazine", was published for one year (12 issues: October 1968 through October 1969—no issue was published December 1968), and a syndicated newspaper comic strip was drawn by Roy Doty and eventually collected for a paperback reprint. The "Laugh-In" trading cards from Topps had a variety of items, such as a card with a caricature of Jo Anne Worley with a large open mouth. With a die-cut hole, the card became interactive; a finger could be inserted through the hole to simulate Worley's tongue. Little doors opened on Joke Wall