Maria in love. 1988: with Kermit, Old MacDonald, various farm animals and the Yip Yips, on a "News Flash" from Old MacDonald's Farm. The Yip Yips arrive in a spaceship. 1988: As contestants of the Guy Smiley game show, Bring That Thing. Guy Smiley addresses them as "Stevie and Jonathan Martian". They need to find three things that involve light. The things that they find are a flashlight, a lamp and the moon. They won a jar of fireflies. 1988: Visual appearance in "Brush Brush Boogie" sung by the Shagri-Las, had Maria brushing her hair, someone else using a brush, and the Yip Yips brushing their teeth, though they did not speak. 1989: "Get Along", a song with Kermit, a cow, the Yip Yips, Twiddlebugs and Greasers 1989: "Family" song with the Yip Yips 1990: Stars, moon, pigs, Earth discovery by the Yip Yips 1990: Book discovery by the Yip Yips 1992: Faucet discovery by the Yip Yips 1994: On Sesame Street: 25 Wonderful Years, the Yip Yips audition for Big Bird, then go back to "stars". 1995: Wind discovery by the Yip Yips, from a fan 1996: "Outerspace Friend", a song by Telly with the Yip Yips 1998: The Yip Yips join several cast members in a limo in the special Elmopalooza. 2002: In the recurring skit "Journey to Ernie", Big Bird found himself in outer space, where he was helped by a Yip Yip in his search for Ernie. 2012: Elmo delivers a pizza box to three Yip Yips on Mars. 2020: In a story being told by Samuel and Julia Unknown: Toaster discovery by the Yip Yips Merchandising Around the time of Sesame Streets 35th anniversary, licensors finally started to notice and recall the characters. In mid-to-late 2003, Hot Topic led the way with the first-known official Yip Yip merchandising, a "vintage"-look T-shirt with two Martians. This was followed in the fall of 2004 with Gund bean-bag toys. Light switch plates, action figures (by Palisades Toys), and stuffed toys followed. The 2006 Sesame Street calendar features the Yip Yips for November, and they make an appearance on the front cover. Costumes of the characters may be purchased, but these may not be authorized by Sesame Street. The only real acknowledgement of the characters previous to 2003 was their mention in the 30th anniversary book Sesame Street Unpaved. References External links Yahoo Groups: The Yip Yip Club YouTube