Ben 10 - Generator Rex: Heroes United
Ben Tennyson falls through a wormhole and encounters Rex. The two heroes must unite against a foe that can absorb their powers.
- genus: Action, Animation
- Studio: Cartoon Network Studios, Man of Action Entertainment
- keyword: extraterrestrial technology, transformation, alpha, special, teen superhero, tv special, crossover, ben 10
- cast: Daryl Sabara, Yuri Lowenthal, Wally Kurth, Grey DeLisle, John DiMaggio, J.K. Simmons