Dinosaucers

There's No Such Thing As Stego-Claws (1x47)

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The Dinosaucers plan to go home for Merry Dinosaur Day but the Tyrannos spoil Bonehead's good cheer by telling him Stego-Claws doesn't exist. That night, Bonehead and David join Stego-Claws in trying to keep the Tyrannos from ruining Merry Dinosaur Day.