The Adventures of Teddy Ruxpin

Double Grubby (1x21)

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Gimmick uses the Second Crystal to augment his latest invention, a replicating machine called the "Multiplication Table". During the course of adjusting and testing the machine, Grubby gets accidentally cloned, and we learn that two Grubbies are NOT better than one. However, the process isn't stable, and the clone dematerializes.