The Ultimate Sacrifice, Ben 10 Wiki

The Ultimate Sacrifice is the nineteenth episode of the third season of Ben 10: Ultimate Alien, and the thirty-ninth episode overall. Ben as Humungousaur and the rest of the team are fighting a red robot in the middle of the streets. After the robot takes out Kevin, it begins strangling Humungousaur, so Humungousaur evolves into Ultimate Humungousaur to fight the robot and proceeds to annihilate it. Both Gwen and the robot beg Ultimate Humungousaur to stop, only for him to angrily shout out that

The Ultimate Enemy: Part 2, Ben 10 Wiki

Escape from Aggregor, Ben 10 Wiki

Why doesn't Ben use his original 10 aliens in Omniverse at all

What's your personal favourite episode of each series? : r/Ben10

In which series do you think Ben is the most mature? I think it's

Ben Tennyson, Wiki

Ben Tennyson, Wiki

What's something in Ultimate Alien that you would change? : r/Ben10

Ben 10,000 Returns, Ben 10 Wiki