Grumpy tries to build some mechanical legs in order to win the Goblin Invention Fair. Can he get it built in time and save Albert who's trapped in his shop?
Where to Watch Grumpy's Great Invention
Cast of Grumpy's Great Invention
Clark DevlinDigby (voice)
Ainsley HowardFizzy Izzy (voice)
Lucy MontgomeryGrizel (voice)
Rasmus HardikerChips (voice)
Clive RussellAlbert (voice)
Mark HeapMungo (voice)
Dustin Demri-BurnsGrumpy (voice)
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