Ben 10: Ultimate Alien All Episodes ~upd~ -

Ben 10: Ultimate Alien (2010–2012) is the third main series in the Ben 10 franchise, following Ben 10 (original) and Ben 10: Alien Force . It ran for and 52 episodes (plus a special, “Ben 10/Generator Rex: Heroes United”). The show bridges Alien Force and the later Ben 10: Omniverse .