Both shows, Generator Rex & Ben 10 have ceased production so No, there's no reason to believe there will be another crossover for the characters.
Generator Rex and Ben 10 aren't anime. But it depends on how popular the series is. Try looking on the official website.
the new show is Ben 10 Omniverse. it is set to air in the end of 2012. It is also said that they might not make the show and add a new season of generator rex instead. But as of now, its gonna be Ben 10 omniverse.
Ben 10 because he can transform into many aliens for eg. strong ones-clever ones-huge ones etc.
ben (ben 10) ben (ben 10 ultimate alien) ben(ben 10 omniverse) rook (ben 10 omniverse) vilgax (ben 10 omniverse) khyber (ben 10 omniverse) courage(courege the cowardly dog) johnny (johnny bravo) johnny(johnny test) dookey(johnny test) ed(ed edd n eddy) edd ( ed edd n eddy) eddy(ed edd n eddy) blossem (power puff girls) bubbles (power puff girls) buttercup (power puff girls) mojo jojo (power puff girls) mr black and mr white (johnny test) bling bling (johnny test) dexter (dexters laborotory) monkey (dexters lab) rex (genarator rex) six (genarator rex) mack and blu (fosters home for imaginary friends) scooby and shaggy (scooby doo mystery incorparated)
they meet again in season 2 episode 10 - rendezvous :d
Generator Rex - 2010 Ben 10 Generator Rex Heroes United 3-10 was released on: USA: 25 November 2011
Ben 10 would win because generater rex can use different kind of machines but ben 10 can turn into different aliens.
its not really a movie more like a long episode. its called "Ben 10/ Generator Rex Heroes United.
ya, i thought that was funny
when will ben 10 race against time come on again?
Generator Rex and Ben 10 aren't anime. But it depends on how popular the series is. Try looking on the official website.
Big Ben Strikes Again was created on 1967-10-13.
benrex
Yes It is the best show ever other than generater Rex and pokemon
the new show is Ben 10 Omniverse. it is set to air in the end of 2012. It is also said that they might not make the show and add a new season of generator rex instead. But as of now, its gonna be Ben 10 omniverse.
Ben 10 because he can transform into many aliens for eg. strong ones-clever ones-huge ones etc.
Meet the Browns - 2009 Meet the Mom Again 3-10 was released on: USA: 16 December 2009 USA: 16 December 2009