This season establishes the team's mission to find Grandpa Max and stop the DNAlien and Highbreed invasion.
: The team helps the Forever Knights slay a "dragon" that turns out to be an alien. Plumbers' Helpers
Season 1 focuses on building the "Alien Force" team, recruiting Plumber's Kids, and investigating the mysterious Highbreed threat alongside their DNAlien foot soldiers. 1. Ben 10 Returns: Part 1 all ben 10 alien force episodes
A Necrofriggian with intangibility, invisibility, and cryokinesis.
Kevin steals Grandpa Max's old RV, the Rustbucket, to trade it for a rare piece of alien technology. He betrays Ben and Gwen, but his deal goes wrong. After Ben rescues him, Kevin reveals he was trying to find a tracking device to help locate Grandpa Max. 5. All Wet This season establishes the team's mission to find
The 46 episodes form several major story arcs that build upon each other to create a compelling narrative.
Gwen steals a dangerous time-travel spell from Paradox's archives. She travels back into the past to prevent the Omnitrix accident that mutated Kevin. She returns to an alternate present where Vilgax has conquered Earth. 41. The Secret of Chromastone He betrays Ben and Gwen, but his deal goes wrong
Ben 10: Alien Force is more than just a sequel. It’s a coming-of-age story about responsibility, friendship, and the courage to change. The High Breed arc remains one of the most sophisticated storylines in Western animation for young audiences—a war that ends not with a punch, but with empathy.
Heatblast (via Alan) and the concept of plumber's kids. Episode 4: "Kevin's Big Score"