[s1e6] Max Out -

: Though presumed dead after the explosion, it is later revealed in the episode " Voided " that he was actually transported to the Null Void.

: This is the first appearance of Gwen's brother, Ken. [S1E6] Max Out

The team discovers a , a factory producing Xenocytes —parasitic aliens that latch onto humans and mutate them into DNAliens . After rescuing Ken from a parasite with the help of the Omnitrix, they finally find Grandpa Max inside the base. The Sacrifice : Though presumed dead after the explosion, it

: Ben learns the Omnitrix has a genetic repair function, allowing him to turn DNAliens back into humans. After rescuing Ken from a parasite with the

"" is the sixth episode of the first season of Ben 10: Alien Force and serves as a major turning point in the series. It features the long-awaited reunion with Grandpa Max and concludes with his shocking self-sacrifice. Episode Summary