Muppets Kermit, Miss Piggy to appear on 'Good Luck Charlie' Muppets Animal, Pepe, Miss Piggy, Fozzie, Gonzo, (L-R, rear) and Kermit and Walter (L-R), foreground) attend the Inimitable Muppets unveiling ceremony honoring The Muppets with the 2,466th star on the Hollywood Walk of Fame in Los Angeles on March 20, 2012. LOS ANGELES, April 19 (UPI) -- Kermit the Frog, Miss Piggy, Fozzie Bear and Animal are to guest star on the Season 4 premiere of Disney Channel's "Good Luck Charlie," the U.S. network said. The Muppets will perform a "show-stopping, Muppet-ational original song" called "Dream House" alongside series regulars Bridgit Mendler and Leigh-Allyn Baker in the April 28 episode, the network said Friday. In the premiere episode, the Duncan family decides to build their dream house after the family home is devastated by termites. Everyone, with the exception of Charlie, is excited at the prospect of a new and larger home," a synopsis said. However, Teddy has a change of heart after a dream in which Kermit the Frog, Miss Piggy, Fozzie Bear and Animal convince her that the old family home is really the house of her dreams.