Ultimate Polymerization is an upcoming Jaden's Adventures Chronicles episode that will be created by Ren the God of Humor.
Polymerization allows you to fuse monsters together on your side of the field. Super Polymerization can fuse monsters on both your side and your opponents side of the field. But Ultimate Polymerization can fuse monsters on both sides of the field, the Graveyard, and one's that are removed from play. Jaden is afraid of this card, because Super Polymerization caused him a lot of suffering. But now he won't allow it to happen again, which is why he's trying to prevent such a powerful card as Ultimate Polymerization from being created. But there are some villains who are determinded to have the card created and use it for evil.
- Set the God of Chaos, The Chameleon, Queen La, Venom, Joker, Harley Quinn, King Candy, Captain Chantel DuBois, Ratigan, Ashcan and Pete will guest star in this.
- The Justice Guardians, Alex, Marty, Gloria, Melman, King Julien, Maurice, Mort, Vitaly, Gia, Stefano, Spider-Man, Wreck-It Ralph, Fix-It Felix, Sergeant Calhoun, Vanellope von Sweetz and Sasha Le Fleur will also guest star in this.