The story begins with a young boy named Dan who has never lost a Bakugan match. While in a match against a bully Dan...

A mysterious Bakugan player named Masquerade, who is ranked at #1 on the list of Bakugan players, is stealing Bakugan...

Masquerade teams up with a player with Rikimaru, by giving him a very special Bakugan. When Rikimaru and Dan battle, ...

Dan has a hard time adjusting to life without Drago. He ends up causing a schoolmate named Ryo to drop his computer a...

Dan and Runo meet for the first time, outside of the Bakugan website, and realize that they live in the same town. Da...

While at an amusement park, Dan and Runo are invited onstage to assist a magician act by two brothers. Dan picks a ca...

Marucho reveals that he secretly moved to Dan's neighborhood, and throws an elaborate welcome party. Masquerade makes...

Dan and Marucho fight against the pop star duo, Jenny & Jewels. After a narrow victory, Drago tells the Brawlers abou...

Masquerade manipulates two boys, Kosuke and Takashi, into using his Doom Cards against the Bakugan Battle Brawlers. H...

Julie and her childhood friend, Billy, go one-on-one in a Bakugan battle. Although Julie's defeated by Billy, she's i...

Marucho and Runo realize that the combined powers of the Bakugan Brawlers are not enough to defeat Masquerade. Withou...

Alice realizes that she may have a connection with the mysterious Hal-G, but doesn't have the courage to tell the oth...

Masquerade has been destroying the Bakugans of kids all over the world, and the Brawlers have to put a stop to it. Re...

Lured by an invitation to celebrate their world class rankings, five of the top ten Bakugan players gather at a myste...

The Brawlers finally meet Julie up close and personal, but the mood goes from happy to sad when they see what's happe...

Julie is still upset about Billy's betrayal, but tries to put it behind her so she can support the other brawlers. Me...

The Brawlers are having trouble finding the Infinity Core. When they learn that their location might be being broadca...

When Marucho loses his Bakugan to Klaus, he and Runo give chase, and wind up in Masquerade's castle!

After a quarrel between the Brawlers, they all go separate ways. Julie decides to pursue her friend Billy and try to ...

When Shun leaves the group, Alice chases after him. Meanwhile Dan goes to take on Masquerade alone.

Klaus, Chan-Lee, and Julio return to finish off the Brawlers. Dan, Runo, and Marucho take them on, but what will happ...

The Brawlers have been pushed back, but will the return of Preyas and the evolution of Drago be enough to bring them ...

Learning that Webmaster Joe is at the hospital, Dan and the other head there. However, while heading for Joe's room, ...

Alice helps a little boy defeat his biggest rival.

Tensions form between the group of Brawlers when it is believed that one of them is a double agent.

The Brawlers head to face Masquerade in one final battle.

The Battle Brawlers learn through Webmaster Joe (who was on a trip with his mother) that Masqerade has defeated the W...

The Brawlers mourn over the loss of Dan and Drago. Meanwhile, Shun gets a challenge from Masquerade and decides to jo...

In the Doom Dimension, the Legendary Ancient Warriors of Vestroia prepare to test the powers of the Brawlers, seeing ...

Marucho must battle the Aquos Elemental Warrior, Frosch, and he is forced to send in Preyus early when he learns he i...

Shun is stuck with the female Ventus Lord, Oberus, who has summoned a child that looks like Shun's mom to battle. The...

Runo and Tigrerra must battle a young boy from Runo's past (a smaller version of Dan) summoned by The Haos lord, Lars...

Dan must battle the Pyrus Lord, Apollonier, in order for him and his friends to return to their world. He and Drago s...

Joe is determined to find out where his friends have gone, so he challenges Masquerade to a battle. At first Joe appe...

Dan tells Shun, Julie, and Marucho that he has yet to pass the test in the Doom Dimension and the only way to have Dr...

Dan's final test is to beat his friends so his Dragonoid can evolve to the next level and become the Ultimate Bakugan...

Joe shows up after Dan defeats Julie, Marucho, and Runo for Wyvern to check out Drago's battling skills when Dan and ...

Alice appears to be disappearing all the time. Dan goes to talk with Marucho, Runo, Shun, and Julie and ends up findi...

Hal-G appears to explain the origin of Alice and Masquerade. Because she is unable to forgive herself, Alice then dis...

Alice tells Klaus about what she did as Masquerade, and gets pulled into a battle to punish her for sending his Bakug...

The Brawlers travel into the Aquos world to find Naga, where they encounter Bakugan named Tayghen and Hairadee.

As the remaining Brawlers enter the hybrid world of Subterra and Haos, a pair of Subterra/Haos Bakugan sisters named ...

Dan and Drago have passed into another world are up against a couple of fierce Bakugan Gatekeepers.

Alice becomes Masked Man to aid Dan and Drago, but they find Centorrior and Druman unexpectedly powerful. Undeterred,...

The Brawlers fail to reach Vestroia in time, allowing Naga to invade Earth with his destructive Bakugan army. To thwa...

Naga and his followers sow panic worldwide, but the Brawlers return. Wavern creates a force field around them using t...

The Brawlers divide to defend separate areas of the neighbourhood. Billy and Cycloid arrive to assist Julie and Gorem...

Rabeeder hunts for the Infinity Core to deliver to Naga, but Alice and Christopher confront her. Meanwhile, Wavern ur...

The return of Naga's Ventus/Aquos servant hybrid Hairadee has brought new troubles for Komba and Shun. While Skyress ...

Things don't look so good for Wavern and the Infinity Core. They are hiding at the top of the Wardington Tower and Na...

Naga has trapped Wavern, and although it looks like she has no choice but to surrender the Infinity Core to her wicke...

As Hal-G releases 5th Paladins, all seems hopeless until the Brawlers send their Bakugan to aid a wounded Drago. They...