Premise: Goku and his friends fight to save the Earth from the last remaining members of an alien race. The Saiyans are heading to Earth intent on taking over the planet and Goku, the world's strongest fighter, prepares for battle against Saiyan warlord Prince Vegeta and his minions.
S04, E11 (First Aired: Nov. 10, 2011)
Goku and Cell prepare to battle; the fighters are hesitant to reveal their true powers.
S04, E12 (First Aired: Nov. 16, 2011)
Goku and Cell have a ferocious fight; the battle ring is blown up.