It’s time for the World Duel Carnival Finals! But prepare for a world of twists and turns because the finalists will be dueling on a roller coaster! Can Yuma handle the ups and downs of the competition, or will he be sent for a loop?!

Grandpa found the Millennium Puzzle decades ago, but little is known about the terrors, traps, turmoil and treachery he faced to find the ancient artifact! See how it all began as we learn how Grandpa unearthed the Millennium Puzzle – for without his discovery, Yugi would never have solved the Millennium Puzzle forty years later!

The back-and-forth battle between Trey and Yuma reaches its climactic conclusion! Can Yuma defeat Trey without Astral’s assistance, or will Trey triumph, leaving Yuma one Heart Piece short of making it to the finals?!

Yugi’s friends are unconscious, leaving him to defeat Alexander the Great on his own! However with the indestructible Reshef the Dark Being in his corner, Alexander seems undefeatable!

After accepting Trey’s challenge to a duel, Yuma soon learns that Trey has acquired a dark and dangerous new power!

Although the gang has passed the five sacred trials, the most dangerous test is yet to come. Now Yugi must face the spirit of Alexander the Great in an all-out Capsule Monsters war with the ultimate stakes!

The race for entry into the World Duel Carnival sees Nistro clash with TV superhero The Sparrow. The feathers fly as the fierce duel hits a fever pitch!

Yugi and his friends defeat the Fiendish Five…or so they think! These ferocious dragons have merged together and are now more powerful than ever! Will the gang complete their fifth and final test, or will they be trapped forever in the world of Capsule Monsters!?

Kite must learn to work with Yuma if he wants to take down Trey and Quattro and rescue Hart! Can Kite put his pride to the side and accept Yuma’s help, or will Kite’s ego end up sacrificing Hart’s safety?!

The gang stumbles upon a small kingdom dominated by a clan of fierce dragons known as The Fiendish Five. If they fail to slay these beasts, one of Yugi’s friends must give up his soul!

As Kite desperately searches for his brother Hart, Vetrix puts his diabolical plan for revenge in motion!

Yugi and his friends are faced with an impossible task – locating a magical apple in a forest full of apple trees. As if that wasn’t difficult enough, they find themselves trapped in an endless maze with dangerous creatures around every turn!

When Yuma's Heart Pieces are swiped by a pack of stray dogs, Cathy calls on her feline friends to help hunt them down! After finding the hounds' hideout, Cathy is challenged by the pack leader to a duel!

It’s on to level three as Yugi and his friends are transported to a lava-covered wasteland. To make matters worse, Joey is possessed by an evil force, and destroying it may mean destroying Joey as well!

After accidentally falling asleep, Flip wakes up to a nightmare realization – he just slept through the first day of the World Duel Carnival! Realizing only the strongest duelists are left, Flip comes up with a sweet plan to get some much-needed Heart Pieces!

After narrowly escaping their battle in the desert, the gang finds themselves stranded on a mysterious floating island. Here they must face a monster that derives its strength from the sun itself! But is this creature of light working alone!?