After a brief skirmish, the two realize they aren't enemies. They discover the true threat: Alpha , a sentient nanite creation made by Rex’s brother, Caesar.
Produced by Man of Action Studios (the creators of both shows), the special runs for approximately 44 minutes (split into two 22-minute parts). It pits Ben Tennyson, the wielder of the Omnitrix, against Rex Salazar, a nanite-infused EVO who can grow machines from his body. However, they don't stay enemies for long.
A: Sadly, no. Despite the ending tease, Generator Rex was cancelled after three seasons, and Ben 10: Ultimate Alien transitioned into Ben 10: Omniverse . A rumored "Rex in Ben's world" episode never materialized. ben 10 and generator rex full episode
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After a high-octane battle involving several of Ben's forms—including , Lodestar , and Rath —the two heroes realize they are on the same side. They must team up to stop Alpha , a sentient, parasitic nanite created by Rex's brother, Caesar , that was previously banished to the Null Void . Alpha seeks to achieve perfection by absorbing Rex's Omega-1 Nanite , nearly succeeding after hacking Ben's Ultimatrix to create corrupted alien-nanite hybrids like Alpha-Heatblast . Key Episode Highlights After a brief skirmish, the two realize they aren't enemies
A: Yes. In a later episode of Ben 10: Omniverse , Ben briefly references the "nanite guy" and the Upgrade fusion, confirming the event is permanent history.
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As Ben and Rex cross paths, they're initially at odds. Ben sees Rex as a rival, while Rex views Ben as a threat to his own heroics. However, they're forced to put aside their differences when they discover the quantum rift, which is causing destruction on a universal scale.