Ben takes control when Sublimino's put everyone in a trance

Ben's put into a trance and is almost caught out

Gwen enters a new portal to save Ben.

Dr Animo and the Mutant Ray

Ben gets to practice his new Omnitrix controls

Ben 10 Episode 24: Ghostfreaked Out A terrorizing nightmare of Ghostfreak unnerves Ben and also spoils Gwen's tour of an academy she wants to attend. And if that wasn't enough they also have to cope with the antics of Acid Breath, Frightwig, and Thumbskull.

Ben 10 Episode 23: Ben 10 and the gang ride a jet belonging to Grandpa Max's old Friend, Donovan Grand Smith, who owns an underwater resort. At the entrance, they receive a warm welcome from Donovan himself, though they also meet with his grandson, Edwin, who didn't seem to be excited about their guests. Later, when Edwin, Ben, and Gwen enter the Undersea Manta Ray, a giant submarine, they encounter strange aliens that threatened to destroy the whole resort. While the kids find a way to cooperate with each other to find the source that lures them in, Donovan himself learns a few lessons in how to bond better with his grandson.