Ben 10 / Generator Rex: Heroes United on the Web: WikiData cartoon fight tv special transformation teen superhero extraterrestrial technology. Watch this episode on YouTube Ben10 / Generator Rex: Heroes United (Classic) S1 • E1 This full-length episode is available for purchase.
Ben 10 goes spiraling through a dimensional rift and winds up in Generator Rex's world! The two tough teens team up to take on a mysterious villain. Watch trailers & learn more.. Ben 10 / Generator Rex: Heroes United: Part 1 Two big heroes. One epic battle. In HEROES UNITED our two toughest teens come together to take on a mysterious new villain who is threatening to take them both down. In the heat of battle, Ben is sent spiraling through a dimensional rift and he winds up where? Rex's world!