Battle Butts: Season One, or just "Battle Butts" is the first season in the Franchise. It is followed by Battle Butts: The ReButtening.
The evil horse deity Sp00nerism attacks Earth, killing billions of people. With the remnants of humanity enslaved, Sp00n begins to Arena Battles in which two humans must fight to the death. Unsatisfied, Sp00nerism needed more entertainment, reviving former heroes of Earth with the intent on forcing them to fight. Gandhi defected first, leading a small group of people known as Earth's Heroes.