When Gonzo's breakfast cereal tells him that he's the descendant of aliens from another planet, his attempts at extraterrestrial communication get him kidnapped by a secret government agency, prompting the Muppets to spring into action to rescue their friend.

Dave Goelzas Gonzo / Dr. Bunsen Honeydew / Waldorf / The Birdman (voice)
Steve Whitmireas Kermit the Frog / Rizzo the Rat / Beaker / Cosmic Fish #1 / Rainbow / Miss Piggy (assistant) (voice)
Bill Barrettaas Pepe the Prawn / Bobo as Rentro / Johnny Fiama / Bubba the Rat / Cosmic Fish #2 (voice)
Jerry Nelsonas Robin / Statler / Ubergonzo (voice)
Brian Hensonas Dr. Phil Van Neuter / Sal Minella (voice)
Kevin Clashas Clifford (voice)
Frank Ozas Miss Piggy / Fozzie Bear / Animal / Sam the Eagle (voice)
Jeffrey Tamboras K. Edgar Singer
F. Murray Abrahamas Noah
Rob Schneideras TV Producer