Madeline and the Dinosaur Bone is the third Episode of Madeline's Second Season. It was written by Judy Rothman Rofe and directed by Norman Jewison. It guest stars Marty Feldman as Dr. LeFossil, John Cleese as the Mayor, Jim Carrey as a nasty Museum Dealer, Chevy Chase, Ruth Buzzi, Jim Henson, Steve Martin and Frank Oz as Paleontologists, Paul Reubens as a Clumsy Tractor Driver, Mickey Rooney as Dr. Cohn and John Candy as a Museum Gate Keeper.