The Grim Adventures of Billy and Mandy

Season 1 Episode 11.1

Billy's Growth Spurt

Aired Friday 8:30 PM Sep 28, 2001 on Cartoon Network
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Episode Summary

Billy's Growth Spurt
After eating too much junk food, Billy grows an evil pint-sized version of himself on his back! Can Mandy and Grim get rid of the evil growth before it terrorizes the neighborhood.

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