Shiro Shinobi [Narrating a newsreel.] Gumball Watterson, Mickey Mouse and SpongeBob SquarePants have discovered the truth about Amon's identity and returned to Afghanistan for a final battle. He is a waterbender, a bloodbender and brother to Tarrlok! Now, Gumball and SpongeBob plan to infiltrate the Equalists' victory rally in Ghazi Stadium and expose Amon as a fraud. Meanwhile, Anais Watterson, Barack Obama, Darwin Watterson, Nicole Watterson, Patrick Star, Richard Watterson and all the leaders, head toward Osama bin Laden's secret airfield, where Henry bin Abdul intends to take down his father?