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 of DVDs subtitled "The Sock-It-To-Me Collection", with each DVD containing two episodes. On June 19, 2017, Time Life, another direct-response marketer, released "Rowan & Martin's Laugh-In: The Complete Series" on DVD in Region 1 for the very first time, in a deal with current rightsholder Proven Entertainment. The 38-disc set contains all 140 episodes of the series, complete and uncut, restored and remastered as well as many bonus features and a special 32-page collector's book. On September 5, 2017, Time Life began releasing individual complete season sets on DVD, beginning with the first season. This was followed by the second