Ben 10: Alien Force (2008)

S3E13 Con of Rath

Zaw-Veenull requests Ben to escort Prince Tiffin to Jarret to maintain harmony between their two races. However, shortly after they embark on their space journey, the Omnitrix glitches, transforming Ben into an Appoplexian called Rath, who has an overwhelming urge to battle anything alive.