Complete story — includes the ending
After Ben accidentally destroys Mr. Baumann's car during his fight with Psyphon's minion, Thunderpig, Mr. Baumann orders Ben to make deliveries for him without using the Omnitrix. When Ben unknowingly gets the Dwarf Star (a massive power source that was going to be sold at Psyphon's auction) in his possession, Ben must fight off Pysphon, Fistina, Zombozo, Trumbipulor, the Vreedle Brothers, Fistrick, Vulkanus, Sunder, and Seebik to keep them from getting absolute power. Omnitrix alien debuts: Way Big (11-year-old), Big Chill (15-year-old), Toepick
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, List of Ben 10: Omniverse episodes. HTML formatting and reference markers removed. · Content license