Adventures of Sonic the Hedgehog (1993)

S1E22 Too Tall Tails

After an accidental exposure to Robotnik's experimental growth serum, Tails undergoes a rapid transformation into a gigantic version of himself. As his size increases, he begins to consume everything around him, causing chaos and fear throughout the nearby villages. With his newfound enormity, Tails unintentionally wreaks havoc, leaving the townsfolk in a panic as they try to figure out how to stop the rampaging fox before he devours the entire countryside.