Ben 10: Omniverse Season 4 Episode 6

Kevin, Rook and Argit run into OTTO, an old enemy who tricked Kevin and Argit by stranding them alone in the Null Void. While attending an intergalactic auto show on Khoros, OTTO and Violent Offenders end up stealing some of the most expensive cars, and its up to the gang to stop them with some help from Ben.