Saiyuki

Season 1, Episode 22

Episode Title: Devastation – The Outcome of a Deadly Duel

Air Date: 2000-08-29

Overview:

Goku takes out his head ring, which controls his infinite power; his sense of judgment vanishes, and he cannot recognize his friends and his enemies. With cruelty and violence, Goku begins to attack whoever he sees. No-one can stop Goku's devastating power but Sanzo manages to get up in front of Goku.