Pokémon

Season 8, Episode 50

Episode Title: Caterpie's Big Dilemma

Air Date: 2005-09-08

Overview:

Team Rocket attacks an inventor's laboratory, startling his Caterpie into eating an experimental substance that enlarges it to dreadful proportions. However, the situation gets worse when Caterpie evolves into Metapod and then again into Butterfree.