Adventures of Sonic the Hedgehog

Too Tall Tails (1x15)

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Robotnik tries to get Professor Dinglehopper's growth gun to work, but it explodes and creates a cloud of growth gas! It happens to drift over Tails, who grows incredibly large! In his huge state, he can't help but destroy (relatively) small things – such as towns and people! Sonic has to go get the antidote before Robotnik does "something good for the community" by viciously shooting Tails with a freeze ray.