I watched the Ben 10 / Generator Rex crossover episode yesterday : r/Ben10

HBO Max Brasil on X: Ben 10 e Mutante Rex: Heróis Unidos (2011) Explorando o multiverso muito antes do hype, Ben acaba viajando ao universo de Mutante Rex. No crossover, eles precisam

Cartoon Network 2 in 1: Ben 10 Ultimate Alien/Generator Rex by Various: Very Good (2011)

Ben 10 and Aliens on Generator Rex by dlee1293847

Generator Rex - Omniverse Style - 4 by SunyFan on DeviantArt

GMFanimat Analisa Ben 10 Mutante Rex Heróis Unidos

Ben 10/Generator Rex Upgrade Rex Fight animated gif

Ben 10, Generator Rex

Benia 10 Omniverse on X: Bizarro como o melhor traço de Ben 10 é no Mutante Rex / X

Generator Rex, Charm Caster MHA Style by MisakaLovesYou on DeviantArt

Alpha (Heroes United), Villains Wiki