S4·E11 Ben 10 vs. Negative 10 (1)
Aired March 9, 2008
Synopsis
Ben, Gwen, Cooper and Grandpa Max face their last battle ever against the villains they have encountered and they will battle to get the world's most powerful energy source.
Aired March 9, 2008
Ben, Gwen, Cooper and Grandpa Max face their last battle ever against the villains they have encountered and they will battle to get the world's most powerful energy source.