Ben 10 vs. Negative 10 (1) Ben 10 : Season 4 Episode 11
TV-Y7-FV Cartoon Network 22m
Aired: March 9th, 2008 @ 10:00 AM EST on Cartoon Network
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.
