The Bakugan are finally living in peace back on New Vestroia when the people of Vestal invade, turning all the Bakugan into ball form and abducting them before terraforming their world.

On the way to her secret headquarters, Mira tells the still-distrustful Dan, Marucho and Drago why she has chosen to fight her own people by forming the Bakugan Battle Brawler Resistance.

In preparation for the upcoming battles with the Vexos, Dan agrees to train Baron.

Without a Bakugan of his own, Marucho is on the outside looking in as Dan and the rest of the Bakugan Battle Brawlers Resistance become a tight-knit team.

Mira gives Dan a Bakugan Trap of his own, though its abilities and mode of communication remain mysterious.

Dan is haunted by dreams of his defeat at the hands of Gus, the Vexos Number Two Brawler.

The Bakugan Battle Brawlers Resistance sneaks into Alpha City, New Vestroia to destroy its towering Dimension Controller.

The Resistance decides to enter the upcoming Bakugan tournament with the goal of destroying the Dimension Controller.

It's the finals of the Bakugan Battle Tournament and Shun and Ace try to buy time for the others.

Runo has had enough of waiting for Dan to return to Earth. She's determined to find a way to New Vestroia to join him in saving the Bakugan.

Dan, Runo, Mira and Baron arrive on Earth safe and sound, but the Dimensional Transporter also drops off unwelcome visitors; Lync, Gus and Spectra.

Realizing they must wait to return to New Vestroia, Dan and the Battle Brawlers decide to enjoy some R & R at an amusement park while they plan their next move.

Dan and the Bakugan Brawlers try to chill out while they're trapped on Earth, unable to help their friends.

Marucho finds himself in a desert with Elfin. After falling into quicksand, he is rescued by Volt who later engages him in a battle. Marucho seems to be doing well with his new trap, Tripod Epsilon but when Volt pulls out his trap, Dynamo, things get rough and Marucho is defeated. Back on Earth, Mira and Baron hang out at Dan's, who after waking up from a dream, is still eager to return to New Vestroia in order to help Shun and Marucho.

After Marucho and Ace are lured into a trap, Shun sets out to destroy the remaining Dimension Controllers single-handedly.

Feeling helpless as he waits for a chance to return to New Vestroia, Dan trains Baron to the breaking point.

Tormented by dreams of losing Drago, Dan wakes up from a feverish sleep, surrounded by his friends.

The Battle Brawlers spend their last night on Earth, saying their goodbyes and making final arrangements before returning to New Vestroia.

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Spectra and his crew arrive in New Vestroia but Mira has second thoughts about her choices when Shadow Prove reveals Ace, Shun and Marucho are prisoners of the Vexos.

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Mira is caught in the middle as Prince Hydron and Spectra move to consolidate their power.

Despite Prince Hydron's objections, Spectra sends Mira and Gus to challenge Dan and Ace with Hydron's new Mechanical Bakugan.

As the Resistance and their Bakugan fly up to Vespalace to free their friends from Prince Hydron, the Vestal monarch reveals another line of defense; a final Dimension Controller.

Now combined with the Vestal's six mechanical Bakugan, Drago squares off against Ultimate Helios.

With Vespalace crumbling around them, the Battle Brawlers have given up hope of freeing their friends, when the destruction of the final Dimension Controller releases the bronzed Bakugan to their original forms.

...However, strange anomalies on Earth and New Vestroia quickly shatter their peace. The Core Energy of Vestroia is beginning to weaken, threatening the collapse of both dimensions. Dan and the team discover that a new, mysterious organization is behind this. They must immediately return to New Vestroia to find the cause of the Core's weakening and stop the looming catastrophe.

After being tricked by the Six Ancient Soldiers, King Zenoheld is more determined than ever to get his hands on the Bakugan possessing the Six Attribute Energies. At Mylene's suggestion he dispatches Prince Hydron to Vestal to begin the retrieval.

While out apartment hunting for Baron, Ace and Percival are accosted by Mylene and her new Mechanical Bakugan, Macubass.

When Dan and the others are finally able to communicate with their comrades on Vestal they learn of the Vexos attacks on Baron and Ace.

Dan and the gang land on Vestal expecting to run into a Vexos member or two.

After Prince Hydron successfully captures the Haos Energy from Baron, King Zenohled is anxious for the Vexos to bring him the remaining five Attribute Energies from the Battle Brawlers.

King Zenoheld's plan to lure the Brawlers off of Vestal and back to Earth in order to battle them for the Attribute Energies seems to have worked.

The Brawlers return to Earth after they learn of Alice being attacked; though they suspect they have been lured there by Zenoheld in a ploy to steal their remaining attribute energies.

The Brawlers continue to hide out from the Vexos in Marucho's mansion, protected by the Barrier Shield. Elfin is restless, however, and begins talking a big game about facing off with the Vexos.

The Brawlers continue to hide out from the Vexos in Marucho's mansion, when they are paid a surprise visit by Baron's sister Maron.

The Brawlers continue to hide from the Vexos in Marucho's mansion, when they are paid a surprise visit by their old pal, Billy.

With the Brawlers' hiding spot now exposed, the pressure is on more than ever.

Spectra makes good on his bet with Dan and takes the Brawlers to the Mother Palace.

As Dan and the Brawlers continue their search for the Bakugan Termination System, they run into an ambush by the Palace Guards.

Spectra offers Dr. Clay a place by his side and the secret to Bakugan DNA, however, Dr. Clay remains loyal to Zenoheld and declares that he and Spectra are no longer father and son. A battle soon begins between Hydron and Dan and Mira, just as Spectra arrives to fight alongside Dan!

With the BT System fully armed, the Resistance and Spectra head to New Vestroia to initiate a mass evacuation. Many Bakugan are sent to Marucho's house on Earth including the Resistance's. However, Drago decides to remain behind to ensure that everyone has been rescued, remarking how many lives have been lost to protect New Vestroia such as Nobilion, Wavern dying, and also the six Ancient Warriors surrending their powers to six normal bakugan.

With the Bakugan Termination System destroyed, the Brawlers head back to Earth, where Baron expresses interest in staying in order to further his studies.

The Bakugan Termination System fired up and seconds away from being fully operational, the Brawlers begin a large-scale evacuation of Bakugan from New Vestroia.

After Marucho demonstrates that the Brawlers' phantom data is the same as the data Keith received; the newest member of the Brawlers convinces them to let him outfit Drago with Battle Gear.

When Zenoheld declares that he is going to use Clay's "Alternative" Weapons System to destroy Earth and Vestal, Volt decides that he's had enough.

Professor Clay reveals to Zenoheld that in order to finish the Alternative he will require the DNA Code and the Battle Gear Data from the Brawlers.

Mylene finds herself next in line to try and retrieve the data Zenoheld requires to complete the Alternative weapons system.

Mylene's Death Ball causes the collapse of Bakugan Interspace.

Hydron continues to cool his heels in his cell, when a mysterious voice from his past calls to him.

The Brawlers enlist Alice and Dr. Michael's help in trying to find a way to the Mother Palace, where they believe Keith has gone to face-off with Zenoheld.

The battle between the Brawlers and Zenoheld's "Alternative" continues to rage.