Bakugan Battle Brawlers

Dan, an undefeated Bakugan player, experiences a strange vision during a match against a bully, hinting that the game may hold deeper secrets than anyone realizes.

A top-ranked Bakugan player known as Masquerade is stealing Bakugan from opponents around the world using a powerful Doom Card. Dan issues a public challenge to Masquerade, but loses two of his Bakugan in the match. Though Drago remains safe, Dan faces the risk of losing him if he challenges Masquerade again.

Rikimaru teams up with Masquerade, who gives him a unique Bakugan to challenge Dan. During the battle, Drago uses a risky move to survive and win, which angers Dan and leads him to lash out at his Bakugan.

Dan struggles with life after Drago's absence, accidentally damaging a classmate's computer and fleeing, which upsets Ryo. Masquerade exploits Ryo's anger, leading to a battle where Ryo defeats Dan. Later, Dan finds Drago and attempts to reconcile with Ryo.

Dan and Runo meet in person for the first time and discover they live in the same town. After Dan accidentally drops his BakuPod, Runo picks it up and learns he has battled Masquerade. She decides to challenge Masquerade herself but ends up facing a different opponent, Tatsuya.

Dan and Runo visit an amusement park and are invited onstage by two brothers during a magic show. Dan selects a card that turns out to be a Doom Card, leading to a confrontation as the brothers reveal they are working for Masquerade.

Marucho surprises Dan by revealing he has secretly moved into his neighborhood and organizes an elaborate welcome party. Meanwhile, Masquerade brokers a business deal with the popular music duo Jenny and Jewels, who subsequently crash the party and issue a challenge to the Battle Brawlers.

Dan and Marucho battle the pop star duo Jenny & Jewels in a close-fought match. Following their victory, Drago shares with the Brawlers the origin of the Bakugan and reveals that a human has entered the Bakugan world of Vestroia.

Masquerade exploits Kosuke and Takashi's desire to reunite Ai with her brother by convincing them to use his Doom Cards against the Bakugan Battle Brawlers. Runo and Marucho encounter the boys at the airport, where they are there to meet their online friend Alice, who proves to be an expert in combination battles and helps them win. However, Alice harbors a secret that could strain her relationship with the Brawlers.

Julie battles her childhood friend Billy in a Bakugan match, where she is defeated but impressed by his skill and his Bakugan, Cycloid. After expressing her loneliness, she is joined by the Bakugan Gorem, suggesting a potential bond between them.

Marucho and Runo recognize that the Bakugan Brawlers need more strength to defeat Masquerade, so they secretly seek out Shun to persuade him to rejoin the team. Shun's grandfather attempts to stop them, but Shun offers a challenge: if they win, he will join; if they lose, he will leave for good.

Alice begins to suspect a link between herself and the enigmatic Hal-G but keeps it to herself, while Dan reflects on his previous fight with Shun. Shun receives a new Bakugan named Skyress from his mother for protection.

Masquerade continues to eliminate Bakugans worldwide, prompting the Brawlers to intervene. Dan joins Runo and Marucho at Shun's home to persuade him to return, only to discover that Shun has allied with Masquerade. Dan challenges Shun to a battle with Drago to stop him.

Five of the world's top Bakugan players are lured to a mysterious mansion for a ranking celebration, where they encounter Masquerade and the villainous Bakugan Naga, who casts a spell to eliminate Dan and the Battle Brawlers. Meanwhile, Alice reveals her belief that her grandfather, Michael, may be responsible for the destruction of Vestroia, prompting the group to investigate his lab for clues.

The Brawlers meet Julie in person, but their reunion turns somber as they witness the dire situation in Vestroia. Julie and Shun confront her friend Billy, the 9th-ranked Bakugan player, and her neighbor Komba, the 5th-ranked player, after learning they were deceived by Masquerade into attacking Dan and the rest of the Brawlers.

Julie remains troubled by Billy's betrayal but focuses on supporting the team. Shun leads the brawlers to a valley he claims is similar to Bakugan Valley, though he later admits his true motive was to uncover why Masquerade consistently knows their whereabouts, suggesting there may be a spy among them. At the valley, Chan Lee, the third-best Brawler, challenges Dan to a battle.

The Brawlers struggle to locate the Infinity Core and discover their movements may be tracked. They take steps to conceal their position by disabling their signal.

Marucho loses his Bakugan in a battle against Klaus and, along with Runo, follows him to Masquerade's castle.

Following a disagreement, the Brawlers part ways. Julie chooses to follow her friend Billy in an attempt to rescue him from the influence of Masquerade.

Shun departs from the group, prompting Alice to pursue him, while Dan decides to confront Masquerade on his own.

Klaus, Chan-Lee, and Julio return to confront the Brawlers once again. Dan, Runo, and Marucho face them in battle, but the situation becomes more complicated when Klaus uses a stolen Bakugan belonging to Marucho.

The Brawlers face an uphill battle as they struggle to regain ground, but the return of Preyas and a significant evolution of Drago may tip the scales in their favor.

Dan and the team rush to the hospital after learning that Webmaster Joe has been admitted. As they make their way to his room, Drago becomes disoriented and loses track of the group.

Alice assists a young boy in overcoming his most formidable competitor.

Distrust grows among the Brawlers as they suspect one of their own is working as a double agent.

The Brawlers prepare for a decisive confrontation against Masquerade as the conflict reaches its climax.

Webmaster Joe returns from a trip with news that Masquerade has defeated the top Bakugan players, prompting the Battle Brawlers to devise a strategy to stop him. Their plan goes awry when Masquerade challenges Dan to a battle, leading to a high-stakes showdown between the evolved Drago and Hydranoid, with the loser facing banishment to the Doom Dimension, a place where Bakugan are turned to stone.

The Brawlers grieve the loss of Dan and Drago. Shun receives a challenge from Masquerade and decides to enter the Doom Dimension to join Dan. Skyress attempts to protect Vestroia without endangering the human Brawlers, but the others soon learn of Shun's plan and decide to accompany him, after Runo makes a promise to Dan's mother.

In the Doom Dimension, the Brawlers are tested by the Legendary Ancient Warriors of Vestroia to determine if they are capable of saving the realm. Julie is separated from the others and must confront the Subterra Warrior Clayf, along with a shadow representing her idealized sister, Daisy. With Gorem's support, Julie gains confidence in her own abilities, leading to Gorem's evolution into Subterra Hammer Gorem and the defeat of Clayf.

Marucho faces the Aquos Elemental Warrior Frosch and, upon discovering he is battling a shadow of himself, deploys Preyus earlier than planned. Despite Preyus struggling with an illness, he helps Marucho come to terms with his past, where he followed his parents' expectations without question. As Marucho accepts his former self, Preyus overcomes his issue and evolves by releasing his brothers, Aquos Angelo and Aquos Diablo Preyus, raising the question of whether their combined strength will be sufficient to defeat Frosch.

Shun is trapped in a surreal world by the female Ventus Lord, Oberus, who conjures a child resembling his mother to manipulate him. As he struggles with the emotional conflict of staying or returning home, he battles both himself and Oberus, believing he can succeed alone. His realization of this mistake leads to a dramatic turn of events, resulting in Skyress's evolution and eventual transformation into Ventus Storm Skyress.

Runo and Tigrerra face a challenge when a young version of Dan, summoned by Haos Lord Lars Lion, forces Runo to confront the value of her bond with Dan. As Tigrerra is attacked by Lars Lion's light arrows, Runo expresses her deep feelings for Dan, prompting Tigrerra to evolve into Haos Blade Tigrerra.

Dan faces off against the Pyrus Lord, Apollonier, in a crucial battle that determines his and his friends' return to their world. He and his T-Rex, Drago, discover their opponent is a clown, and after Dan wins the fight, he removes the mask to reveal Runo. To allow Drago to evolve and complete his test, Dan must now challenge and defeat each of the Brawlers.

Joe confronts Masquerade in a battle to uncover the fate of his missing friends, initially struggling until Wyvern returns to aid him. The Brawlers also reappear, complicating Masquerade's plans. Meanwhile, Dan confides in his mother about Bakugan, who believes him and entrusts Drago to protect him, while Naga is introduced as one of the most powerful and dangerous Bakugan.

Dan reveals that he must defeat his friends in the Doom Dimension to evolve Drago, successfully battling Julie and Marucho before facing Shun the next day, while Masquerade prepares to confront Alice in the same realm.

Dan must defeat his friends in battle to evolve his Dragonoid into an Ultimate Bakugan. He faces Runo and Shun in duels, while Masquerade visits the Darkus Lord, Exeedra, and confronts Alice in a mirage battle.

Joe arrives to observe Drago's combat abilities as Dan and Shun face off to complete Dan's test. Meanwhile, the Darkus Lord and Masquerade conclude their battle. Drago defeats Skyress and transforms into the Pyrus Ultimate Dragonoid, while Duel Hydranoid defeats the Darkus Lord and evolves into the Darkus Alpha Hydranoid.

Alice has been acting strangely and vanishing frequently, prompting Dan to discuss the matter with Marucho, Runo, Shun, and Julie, during which they unexpectedly find her. After receiving a message from Masquerade, Dan decides to confront him using Drago in an attempt to end the conflict. Dan wins the battle and offers Masquerade a place among the Battle Brawlers to help defeat Naga, but Masquerade declines and removes his mask, revealing himself to be Alice.

Hal-G reveals the origins of Alice and Masquerade, leading to Alice's emotional departure due to guilt. As strange weather and a massive oceanic hole disrupt the world, Dan and the Brawlers, after persuading their parents, embark on a journey to explore the decaying planet Vestroia.

Alice confides in Klaus about her actions as Masquerade, leading to a confrontation when he holds her accountable for sending his Bakugan to the Doom Dimension. Though the battle begins as a punishment, Klaus reveals it was meant as a lesson to show that unity and cooperation are essential for achieving harmony.

The Brawlers enter the Aquos world in search of Naga and meet two Bakugan, Tayghen and Hairadee, who assist them in their mission.

The remaining Brawlers enter the merged realm of Subterra and Haos, where they encounter Rabeeder and Tricloid, twin Bakugan sisters who develop a crush on Dan. The sisters challenge him to a race, claiming it is the only way to proceed, and Dan and Drago emerge victorious, continuing their journey to the next world.

Dan and Drago find themselves in a new realm where they must face powerful Bakugan Gatekeepers.

Alice takes on the identity of Masked Man to assist Dan and Drago in their battle against the unexpectedly formidable forces of Centorrior and Druman. Despite the challenges, Dan and the Masked Man devise a plan to counter their powerful adversaries.

The Brawlers arrive too late to stop Naga from launching an invasion of Earth using his powerful Bakugan forces. In order to defeat him, they set out to find Wavern, the guardian of the Infinity Core.

Naga and his forces instill global fear, but the Brawlers regroup to counter the threat. Wavern attempts to protect them with a force field powered by the Infinity Core, though the core's overwhelming heat causes the barrier to fail.

The Brawlers split up to protect different parts of the neighborhood as Billy and Cycloid join Julie and Gorem. Julie cautions that Tricloid's presence may unleash Naga's dark influence.

Rabeeder seeks the Infinity Core to hand over to Naga, but her mission is challenged when Alice and Christopher intervene. At the same time, Wavern pushes Drago to secure the Infinity Core before Naga can obtain it.

Naga's hybrid servant Hairadee returns, causing new challenges for Komba and Shun. As Skyress is trapped in an icy barrier, Shun uses his ninja abilities to rescue her and confront the enemy, with Julio joining the fight.

Wavern and the Infinity Core take refuge at the summit of Wardington Tower as Naga and his army close in, putting their mission and survival at risk.

Naga captures Wavern and demands the Infinity Core, but Dan and Drago intervene just as she seems on the verge of claiming it.

With the 5th Paladins unleashed by Hal-G, the situation appears dire until the Brawlers intervene, sending their Bakugan to help an injured Drago. As Naga absorbs the energy of the defeated 5th Paladins, Drago uses his remaining strength to launch a powerful fire attack.