Revenge of the Swarm
Show: Ben 10: Ultimate Alien --> Season: 2 - Season 2
AirDate: 3/18/2011
Runtime: 23
Voting: 8 (2)

Overview: Victor Validus resurfaces and attacks Ben at night. Elena Validus and the nanochips return.
Brian George
Victor Valadis / Janitor (voice)
Tia Texada
Elena Validus (voice)
Vyvan Pham
Julie Yamamoto (voice)