When Gwen's elder brother Ken disappears while in Santa Mira, California, both Grandpa Max and Ben's team converge to look for him. Ben's team finds another alien weather machine working to keep the area in a state of perpetual rain - the perfect condition to raise xenocites, alien parasites that take possession of humans. Surrounded by DNAliens and threatened by a HighBreed, Grandpa Max readies an extreme solution while Ben's Omnitrix reveals a heretofore unknown ability - it can talk. Written by
Did You Know?
In the 19 times a name for Jet Ray appears among the Ben 10: Alien Force credits, this is the second of five times it will appear spelled as one word, the second of four times it will be spelled as "Jetray." See more
Stop them, Ben. These xenocites must be destroyed. Go!
[Ben and everyone else leaves. Ben stops at the door and turns around
What are YOU gonna do?
What I have to.