Watch Ben 10 / Generator Rex: Heroes United

Ben 10 / Generator Rex: Heroes United is a crossover special between the two popular Cartoon Network shows, Ben 10 and Generator Rex. The hour-long episode premiered in November 2011 and was a highly anticipated event for fans of both shows. The special opens with Ben Tennyson, the teenage hero of Ben 10, traveling to a new city called Manhattan – a location that has never been featured in the series before. There, he runs into another young hero named Rex Salazar, who is the main protagonist of Generator Rex. The two heroes quickly team up to take down a dangerous villain who threatens the city.

Ben and Rex are initially unaware of each other's abilities, but they quickly discover that they both possess unique powers that allow them to transform into incredibly powerful beings. Ben can transform into various alien creatures, while Rex has the ability to generate machines and weapons out of his own body's nanite cells.

As the story progresses, Ben and Rex find themselves facing off against some of their most formidable foes yet. In addition to the main villain, they also have to deal with some unexpected obstacles, including a powerful creature created by Rex's own nanites that threatens to destroy the city.

One of the most interesting aspects of the crossover special is the contrast between the two main characters. Ben is a confident and outgoing teenager who is always ready for action, while Rex is more reserved and emotionally guarded due to the traumatic experiences he has endured in his past. Despite their differences, the two heroes are able to find common ground and work together effectively in order to save the day.

In terms of animation, Ben 10 / Generator Rex: Heroes United features the same high-quality visuals and attention to detail that fans have come to expect from both series. The action sequences are especially impressive, with lots of fast-paced combat and dynamic camera movements that keep the viewer engaged and excited.

Overall, Ben 10 / Generator Rex: Heroes United is a highly entertaining crossover special that will appeal to fans of both shows. The combination of Ben's alien transformations and Rex's nanite-powered abilities makes for a thrilling and action-packed adventure that is sure to leave viewers on the edge of their seats. Whether you're a long-time fan of Ben 10 and Generator Rex or simply looking for an enjoyable animated adventure, this special is definitely worth checking out.

Ben 10 / Generator Rex: Heroes United is a series that ran for 1 seasons (1 episodes) between November 25, 2011 and on Cartoon Network