Ben Tennyson falls through a wormhole and encounters Rex. The two heroes must unite against a foe that can absorb their powers.

Cast: Daryl Sabara, Yuri Lowenthal, Wally Kurth, Grey DeLisle, John DiMaggio, J.K. Simmons, Michael Emerson, Jennifer Hale, Freddy Rodríguez, Dee Bradley Baker, David Kaye