S4·E12 Ben 10 vs. Negative 10 (2)
Aired March 9, 2008
Synopsis
The Forever King sets his plan in motion and recruits the most powerful enemies Ben has ever faced in order to steal the world's most powerful energy source.
Aired March 9, 2008
The Forever King sets his plan in motion and recruits the most powerful enemies Ben has ever faced in order to steal the world's most powerful energy source.