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Bakugan Battle Brawlers: New Vestroia (爆丸バトルブローラーズ ニューヴェストロイア, Bakugan Batoru Burōrāzu Nyū Vesutoroia?) is the second season of Bakugan Battle Brawlers. It premiered in Canada on April 12, 2009 on Teletoon and May 9, 2009 in the US on Cartoon Network. The series started airing in the United Kingdom on January 4, 2010. In Japan, it aired on TV Tokyo starting on March 2, 2010.

After an original order of 26 episodes, they revealed in the next time credits of episode 26 that the series was extended by Teletoon and Cartoon Network to be 52 episodes. Most of the episodes originally premiered in North America on Teletoon except for episodes 27-29, 33-35, and 43, which premiered on Cartoon Network.

Episode List

# Title Flag+of+Japan Airdate Flag of United States Airdate
01 "Invasion of the Vestals"
"A New Journey" (新たなる旅立ち, Aratanaru Tabidachi)
March 2, 2010 May 9, 2009
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.
02 "Facing Ace"
"Synchronicity" (シンクロニシティ, Shinkuronishiti)
March 9, 2010 May 16, 2009
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.
03 "Get Psyched"
"My Enemy is Me" (我が敵は我にあり, Waga Teki wa ware Niari)
March 16, 2010 May 23, 2009
In preparation for the upcoming battles with the Vexos, Dan agrees to train Baron.
04 "Marucho's Mission"
"Friends" (フレンズ, Furenzu)
March 23, 2010 May 30, 2009
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.
05 "Taste of Defeat"
"Worthy Rival" (好敵手, Koutekishu)
April 6, 2010 June 6, 2009
Mira gives Dan a Bakugan Trap of his own, though its abilities and mode of communication remain mysterious. Later, Gus Grav, Subterra brawler of the Vexos, confronts Dan.
06 "Return of a Friend"
"My Friend" (友よ, Tomo yo)
April 13, 2010 June 13, 2009
Dan is haunted by dreams of his defeat at the hands of Gus, the Vexos Number Two Brawler.
07 "Cyber Nightmare"
"Electro-World" (エレクトロ・ワールド, Erekutoro Wārudo)
April 20, 2010 June 20, 2009
The Bakugan Battle Brawlers Resistance sneaks into Alpha City, New Vestroia to destroy its towering Dimension Controller.
08 "What's the Plan?"
"Challenger" (挑戦者, Chousensha)
April 27, 2010 June 27, 2009
Ace and Shun team up in a Bakugan battle tournament in order to overload the Dimension Controller, while Mira notices that Spectra tosses his Bakugan the same exact way her missing brother Keith does.
09 "Freedom Run"
"The Door to Freedom" (自由への扉, Jiyuuhe no Tobira")
May 4, 2010 July 4, 2009
It's the finals of the Bakugan Battle Tournament and Shun and Ace try to buy time for the others.
10 "Surprise Visitor"
"Labyrinth" (ラビリンス, Rabirinsu)
May 11, 2010 July 11, 2009
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.
11 "Gate Crashers"
"The Melody of Men" (男達のメロディー, Otokotachi no Merodī)
May 18, 2010 July 18, 2009
Dan, Runo, Mira and Baron arrive on Earth safe and sound, but the Dimensional Transporter also drops off unwelcome visitors; Lync, Gus and Spectra.
12 "Unmasked"
"The Masked Man" (仮面の男, Kamen no Otoko)
May 25, 2010 July 25, 2009
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.
13 "Voices in the Night"
"Trap" (罠, Wana)
June 1, 2010 August 1, 2009
Dan and the Bakugan Brawlers try to chill out while they're trapped on Earth, unable to help their friends. Meanwhile, Shadow, Mylene, and Volt set a trap for the Resistance members in Vestroia.
14 "Duel in the Dunes"
"Desert Moon" (月の砂漠, Gatsu no Sabaku)
June 8, 2010 August 8, 2009
As Dan, Mira and Baron settle into life at Dan's house, Marucho and Elfin wander in the New Vestroia desert.
15 "Last One Standing"
"Become the Wind" (風になれ, Kaze ni Nare)
June 15, 2010 August 15, 2009
After Marucho and Ace are lured into a trap, Shun sets out to destroy the remaining Dimension Controllers single-handedly.
16 "Show Me the Power!"
"Cold Rain" (冷たい雨, Tsumetai Ame)
June 22, 2010 August 22, 2009
Feeling helpless as he waits for a chance to return to New Vestroia, Dan trains Baron to the breaking point. Spectra, tired of waiting for Dan to join his side, decides to take Drago by force.
17 "Dude, Where's My Bakugan?"
"Black Sun" (黒い太陽, Kuroi Taiyou)
June 29, 2010 August 29, 2009
Tormented by dreams of losing Drago, Dan wakes up from a feverish sleep, surrounded by his friends.
18 "Gone, Gone Bakugan"
"Run Like There's No Tomorrow" (明日なき暴走, Ashita Naki Bousou)
July 6, 2010 September 5, 2009
With Apollonir's help, Dan moves to take Drago back from Spectra, only to find that Spectra's used Forbidden Ability Cards to overload the Bakugan with power.
19 "Family Ties"
"Then... I Met You" (そして…めぐり逢い, Soshite... Meguri Ai)
July 13, 2010 September 12, 2009
The Battle Brawlers spend their last night on Earth, saying their goodbyes and making final arrangements before returning to New Vestroia.
20 "Beta City Blues"
"The Street Corner of Betrayal" (裏切りの街角, Uragiri no Machikado)
July 20, 2010 September 19, 2009
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.
21 "Brotherly Love"
"Creation" (誕生, Tanjou)
July 27, 2010 September 26, 2009
As the Battle Brawler's Resistance reunite, Ace learns the terrible truth; Mira has joined the Vexos.
22 "Underground Take Down"
"Heaven and Hell" (天国と地獄, Tengoku to Jigoku)
August 3, 2010 October 3, 2009
Mira is caught in the middle as Prince Hydron and Spectra move to consolidate their power.
23 "Wall To Wall Brawl"
"Lies" (うそ, Uso)
August 10, 2010 October 4, 2009
Despite Prince Hydron's objections, Spectra sends Mira and Gus to challenge Dan and Ace with Hydron's new Mechanical Bakugan.
24 "Ultimate Bakugan"
"Red Impact" (赤い衝撃, Akai Shougeki)
August 17, 2010 October 4, 2009
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.
25 "Final Countdown"
"The Battle of Evermore" (限りなき戦い, Kagiri naki Tatakai)
August 24, 2010 October 24, 2009
Now combined with the Vestal's six mechanical Bakugan, Drago squares off against Ultimate Helios.
26 "Reunion"
"The Decisive Battle" (最終決戦, Saishū Kessen)
August 31, 2010 October 31, 2009
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.
27 "Six Degrees Of Destruction"
"The Battle Isn't Over" (戦いは終わらない!, Tatakai wa Owaranai!)
September 7, 2010 November 7, 2009
Six months after New Vestroia has been freed--- Dan and the gang are back on Earth, enjoying a peaceful life with their Bakugan. Everyone is excited with the surprise arrival of Mira and Willda. Meanwhile, exiled King Zenoheld has had Professor Clay develop a new weapon called The Bakugan Termination System, which is designed to destroy all Bakugan; however, in order to power the system he must possess the attribute powers of the Six Ancient Soldiers. Zenoheld challenges the Ancients to a battle and even manages to get the upper hand. In a desperate move to avoid losing their powers (which would subsequently bring about the extinction of the Bakugan), the Ancients transfer their attribute powers into Drago, Elfin, Ingram, Willda, Percival and Nemus. These new energies cause the Bakugan to evolve. Now possessing the memories of the Ancient Six, the Bakugan and their Brawlers realize that it is up to them to stop Zenoheld's wicked plan to conquer the known universe.
28 "Revenge of the Vexos"
"Crime and Punishment" (罪と罰, Tsumi to Batsu)
September 14, 2010 November 14, 2009
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. Meanwhile, Baron finds himself flirting with the idea of moving out, as his family home is getting more crowded by the day. While on a trip with his siblings to the park, he and Nemus are ambushed by Hydron and his Mechanical Bakugan, Dryoid. A fierce battle ensues, but Nemus and Baron are no match for their Vexos opponents. Hydron walks away with Nemus' Haos Energy as his trophy. Baron and Nemus decide that they must summon the others and band together in order to stop Zenoheld and his evil plan.
29 "Saved By the Siren"
"The Legend of Emerald" (エメラルドの伝説, Emerarudo no Densetsu)
September 21, 2010 November 21, 2009
While out apartment hunting for Baron, Ace and Percival are accosted by Mylene and her new Mechanical Bakugan, Macubass. A fearsome battle ensues, and though he starts out strong, Ace soon finds himself on the ropes. Just as it looks like he's going down for the count, a mysterious man and his Aquos Bakugan, Sirenoid swoop in and save the day. Once they've defeated Mylene, the mysterious saviour reveals himself to be Klaus von Hertzon, a descendant of German nobility...and a Bakugan Brawler from Earth. Being the "money" behind Dr. Michael's development of the Dimension Transporter, Klaus has access to technology that will allow them to contact Dan and the others on Earth. As the episode draws to a close, the new group of comrades make their way back to Klaus' in order to send a warning about the Vexos to their friends on Earth.
30 "The Day New Vestroia Stood Still"
"The Day the World Ends" (世界が終わる日, Sekai ga Owaru Nichi)
September 28, 2010 December 5, 2009
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. They quickly decide to head for Vestal, with the help of Dr. Michael's Dimension Transporter. Meanwhile, Zenoheld dispatches a probe from the BT System to New Vestroia. Once there it emanates Dimension Rays that cause the Bakugan to revert to their ball form where they remained trapped. Just as the gang are about to head to Vestal, the Dimension Transporter's system picks up anomalous readings from New Vestroia. It is decided that Shun will split off from the group and head there with Ingram to investigate. When the pair arrive there they are greeted by Skyress who fills them in on what's happening. Before long, Lync shows up and a battle for the Vestus Energy breaks out. Unfortunately, Ingram's new powers are a source of anxiety for him and cause him to battle poorly. Skyress steps in for him and sacrifices herself, forcing Ingram to quash his uncertainty and embrace his evolution. Once he does this he jumps back into the fray and defeats Lync.
31 "Spectra Rises"
"Red Destiny" (赤い運命, Akai Unmei)
October 2, 2010 December 12, 2009
Dan and the gang land on Vestal expecting to run into a Vexos member or two. They aren't disappointed with the speedy arrival of Volt; however, EVERYONE is shocked when Spectra shows up. Eager to settle a score with Dan, Spectra pushes Volt to the back of the queue and a battle between Helios and Drago ensues. It truly is the clash of the titans, with Drago narrowly eeking out a victory. Spectra leaves but not before telling Dan that they will see each other again, in the very near future.
32 "Shadow Attack"
"Kung-Fu Lady" (カンフーレディ, Kan Fū Redi)
October 9, 2010 December 19, 2009
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. Wanting to fight the Brawlers for his own reasons, Spectra blocks Zenoheld's ability to transport anyone to Vestal. Zenoheld decides that the only solution is to lure the Brawlers off of Vestal and back to Earth. He immediately dispatches Shadow Prove who quickly picks a fight with Alice. Alice struggles with the decision to battle when Chan Lee swoops in to lend a hand! But can they defeat Shadow Prove and the powerful Bakugan, Darkus Hades?
33 "Brontes' Betrayal"
"Growing Thoughts" (つのる想い, Tsunoru Imoi)
October 16, 2010 December 26, 2009
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. When the gang receives word of Shadow Prove's attack on Alice they decide to return home, even though they suspect it's a trap. In the meantime, Volt has challenged Gus to a Battle in an attempt to win back Brontes. Gus agrees to the fight with the ulterior motive of trying to get Volt to leave the Vexos and join he and Spectra. In the end, Volt is unsuccessful at defeating Gus, just as Gus is unsuccessful at getting Volt to betray the Vexos. And caught in the crossfire is poor Brontes, who is discarded yet again, like a piece of trash, at the end of the battle.
34 "Earth Invaders"
"Invaders" (インベーダー, Inbēdā)
October 23, 2010 January 2, 2010
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. In order to protect themselves from Vexos attack, the crew takes refuge in Marucho's house protected behind a barrier shield that provides them with a type of invisibility from detection. When Dan questions her brawling abilities, Runo gets upset and leaves the house looking for the Vexos in order to prove herself. Mira follows her and tries to get her to come back, but it's too late. The pair are ambushed by Lync and Mylene who eventually win the brawl and take with them the Subterra Attribute Energy.
35 "Elfin On the Run"
"Please Don't Leave Me" (僕にまかせてください, Boku Nimakasete Kudasai")
October 30, 2010 January 9, 2010
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. She is chastised by Preyas and later overhears him say that he should have been the one entrusted with the Aquos Energy. Hurt and angry, Elfin flees the house for the city. Once there she is ambushed by Shadow Prove and Prince Hydron. Preyas and Marucho show up just in time for the fight but things end badly and the Vexos make off with yet another of the Attribute Energies.
36 "Samurai Showdown"
"Samurai" (サムライ, Samurai)
November 6, 2010 January 23, 2010
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. Having already lost his Bakugan's Attribute Energy to the Vexos, Baron decides it's safe to take his little sis out to see the sites. Meanwhile, Shun has had enough sitting around and leaves the compound in search of a battle. He soon finds one with Volt as the pair square off in an unopened theme park called Samurai Park. Baron is nearby when it happens and decides to join in. The two make mince meat out of Volt and in turn protect Ingram's Ventus Attribute Energy.
37 "Virtual Insanity"
"Wanted" (ウォンテッド, Uonteddo)
November 13, 2010 January 30, 2010
The Brawlers continue to hide from the Vexos in Marucho's mansion, when they are paid a surprise visit by their old pal, Billy. This is when they learn that Marucho has built a virtual reality system where they can Brawl without fear of losing their Attribute Energies to the Vexos. While the Gang decide to enter the virtual world, something is bothering Shun so he stays behind. As he reviews security cam footage, he discovers that the Vexos have followed Billy all the way to the Brawlers' hideout. The Brawlers are no longer safe in Marucho's house.
38 "All Or Nothing"
"Splendid Bet" (華麗なる賭け, Karei Naru Kake)
November 20, 2010 February 6, 2010
With the Brawlers' hiding spot now exposed, the pressure is on more than ever. Dan comes up with a plan to storm the Mother Palace in a pre-emptive strike on the Vexos. The only problem is that the Brawlers don't know where the Palace is. Dan decides that perhaps he can recruit Spectra into helping them. Spectra instead proposes a wager: Have Helios and Drago battle it out in the mother of all Brawls. If Dan is victorious, he will be shown the way to the palace, but if Spectra wins, Drago is to turn over his perfect core energy. After a knock down drag 'em out fight, Drago wins. Spectra honours his deal but soon reveals that he has the biological blueprints to create a new kind of highly evolved Bakugan.
39 "Avenging Spectra"
"Farewell Friend" (さらば友よ, Saraba Tomo yo)
November 27, 2010 February 20, 2010
Spectra makes good on his bet with Dan and takes the Brawlers to the Mother Palace. Once there the Brawlers immediately take off in search of the Battle Termination System in order to destroy it. Meanwhile, Spectra confronts Zenoheld and his former colleagues the Vexos. After a heated exchange he and Gus leave; however, Gus returns later in disguise and kidnaps Zenoheld forcing him into battle. In the end Zenoheld destroys not only Gus' Bakugan, but Gus himself.
40 "Ambush"
"Ambush" (まちぶせ, Machibuse)
December 4, 2010 February 27, 2010
As Dan and the Brawlers continue their search for the Bakugan Termination System, they run into an ambush by the Palace Guards. The Brawlers (minus Dan and Mira) are forced to separate and wind up engaging in their own battles with the Vexos. Unbeknownst to them, the Vexos have rigged it so that it is impossible for them to lose when fighting with Mechanical Bakugan inside the Palace. In the end, the Brawlers lose the Ventus and Darkus Attribute Energies, leaving only the Pyrus to be collected in order for the BT System to be fully operational. As Dan and Mira stumble upon Hydron, the rest of the Brawlers race around trying to find them in order to warn him about the trap set by Zenoheld and the Vexos.
41 "BT: The Final Battle"
"The Victor" (勝利者, Shourisha)
December 11, 2010 March 13, 2010
Unaware that the battle field is a trap, Dan and Spectra engage in a brawl with Prince Hydron. Soon the other Brawlers show up and reveal that the deck has been stacked by the Vexos. Spectra unveils a new technology known as "Battle Gear" and manages to beat Hydron and thwart the trap set by the battle field. Zenoheld takes over the brawl and nearly has his clocked cleaned as well until Professor Clay suggests a strategy that would defeat the power given to the Bakugan by their Battle Gear, but that would also potentially destroy Zeonoheld's Mechanical Bakugan, Farbros. Zenoheld goes for it and Farbros is indeed destroyed, but not before scoring a victory and taking the last remaining Attribute Energy from the Brawlers. With a fully functioning BT System hours away from being on-line, the Brawlers are faced with the reality of losing their Bakugan forever.
42 "Exodus"
"To My Dearest" (親愛なる者へ, Shin'ai Naru Mono e")
December 18, 2010 March 20, 2010
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. Time begins to run out and in a desperate bid to leave no Bakugan behind, Drago pulls the BT System out of the ground and soars into the atmosphere with it. As the System powers up Drago manages to drain all of the Attribute Energies from it, leaving it shattered in a million pieces and himself, evolved yet again. Once he drops back to terra firma Drago is greeted by his loving friends, the Brawlers. However the celebration is short lived when Spectra tells them that he is no longer battling by their side, and Helios confirms that his grudge against Drago is stronger than ever.
43 "Phantom Data Attack"
"To an Unknown Future" (未知なる未来へ, Michi Naru Mirai e")
December 25, 2010 March 6, 2010
With the Bakugan Termination System destroyed, the Brawlers head back to Earth, where Baron expresses interest in staying in order to further his studies. With everyone game to do some practice Brawling the gang enters the Bakugan Interspace system, where they encounter a group of strange and unfamiliar Bakugan. It appears that they want to battle but have no Brawlers to work with. Marucho makes a digital avatar/clone of Baron for the real Baron to battle with. Things seem to be neck and neck until the Avatar Baron pulls out some Battle Gear and proceeds to wipe the floor with the real Baron. The gang is left puzzled, wondering where these new Bakugan have come from, and exactly what it is they want.
44 "Spectra's Last Stand"
"Showdown" (対決, Taiketsu)
January 8, 2011 March 27, 2010
With the Brawlers back on Earth and life getting back to normal, it doesn't take long for Spectra to show up and throw a wrench into things. He sends a telepathic message to Dan, challenging him to a battle...a "final battle" between Drago and Helios. Fed up with having Spectra's quest for the Ultimate Bakugan hanging over his head Dan accepts and the fight is on. This fight is as fierce and bombastic as they get and throughout it looks like either side could take the win, but ultimately the victory goes to Drago. As a result of the defeat, Helios finally concedes that Drago is indeed the number one Bakugan. Even more surprisingly, Spectra decides to retire the mask and return to being Keith as he asks to join the Brawlers' team.
45 "Fusion Confusion"
"Figures of Happiness" (幸せのカタチ, Shiawase no Katachi)
January 15, 2011 April 3, 2010
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. They stage a battle in Bakugan Interspace to gather crucial battle data on Drago. Keith offers to be the opponent and dawns his Spectra mask again. Because Drago is fighting with a hybrid fusion version of the Battle Gear, his body begins to reject it causing him great pain. As Spectra pushes Drago to the limit, Dan and the brawlers want to stop, but Drago powers through and emerges victorious!
46 "Volt's Revolt"
"Renegade Hero" (反逆のヒーロー, "Hangyaku no Hīrō")
January 22, 2011 April 10, 2010
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. Unable to support the destruction of innocents he leaves the Vexos and returns to his home town on Vestal. He is soon ambushed by Hydron, who has been dispatched by Zenoheld to make Volt pay for his "betrayal". The two battle it out with Volt emerging victorious. Furious at his loss, Hyrdon opens up a portal that sucks Volt in and transports him to the far reaches of the dimension. Meanwhile...The Brawlers have been continuing their tests on Drago to see what his Battle Gear will be. In the end, they decide that it will be the fearsome "Jetkor".
47 "Payback"
"To Say Goodbye" (さよならをするために, Sayonara o Suru Tame ni)
January 29, 2011 April 17, 2010
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 is immediately dispatched to retrieve it. Meanwhile, Lync's thoughts drift to Alice and he begins to feel guilt over their past. In an impulsive move, he steals a copy of the Alternative schematics and heads for Earth. He is intercepted by Prince Hydron, who shows up to do battle. After a valiant fight, Lync is defeated and like Volt, falls victim to one of Hydron's death balls, but not before figuring out a way to get Alice the data. Once Alice retrieves what Lync has left for her, she immediately gives it to the Brawlers. Now aware of the Alternative, Dan and the crew prepare for the next coming of the Vexos.
48 "Mylene's Meltdown"
"Travelling Companion" (みちづれ, Michidure)
February 5, 2011 April 24, 2010
Mylene finds herself next in line to try and retrieve the data Zenoheld requires to complete the Alternative weapons system. Shadow Prove decides to tag along at the last moment, and the two of them transport themselves to the Marucho's house. Once there, the Brawlers get the drop on them, but Mylene manages to over power Mira and take her hostage. She demands that they hand over the DNA code and the Battle Gear data. Keith agrees to lead them to where the data is, but instead traps them inside Bakugan Interspace. A brawl ensues with both Keith and Mira emerging victorious. Angered by the loss, Mylene unleashes a death ball, however, it reacts differently within Interspace and causes the gravitational field to reverse and the space to start closing in on itself. As everyone looks on in horror, it looks as though Mylene may have brought about her own demise in her attempt to destroy her enemies.
49 "An Heir To Spare"
"Battles Without Honor and Humanity" (仁義なき戦い, Jingi Naki Tatakai)
February 12, 2011 May 1, 2010
Mylene's Death Ball causes the collapse of Bakugan Interspace. Marucho makes a desperate attempt to contain the destruction, but is only able to evacuate Mira and Keith. Mylene and Shadow Prove are sucked through the vortex to the other side of the dimension! Meanwhile, Hydron suffers the wrath of Zenoheld for his repeated failures. Afterward he gets a surprise visit from the ghosts of Vexos past. They encourage him to battle Zenoheld in an attempt to take the throne. Prince Hydron follows their advice but does he have a chance against his father and the powerful Assail Farbros?
50 "Ultimate Weapon"
"Ultimate Weapon" (最終兵器, Saishū Heiki)
February 19, 2011 May 8, 2010
Hydron continues to cool his heels in his cell, when a mysterious voice from his past calls to him. It's Gus, and he has a plan to get them out! Meanwhile, back on Earth, the Brawlers celebrate Keith And Helios' decision to join the Bakugan Battle Brawlers. It isn't long, however, before Dan is itching to get back in the fight. He suggests that they storm the palace before Zenoheld can finish the Alternative. Everyone is in agreement and they all plan to strike at first light. Restless, Keith slips out in the middle of the night and pilots the Vestal Destroyer to the Palace and launches a surprise attack. He challenges Zenoheld to a battle and they waste no time getting down to it. As the mighty battle ensues, Zenoheld receives news from Clay that the Alternative is now complete. In a flash, Keith gets a front row seat for the awesome destructive powers of the weapon and quickly finds himself on the run.
51 "All for One"
"Day of the Battle" (決戦の日, Kessen no Nichi)
February 26, 2011 May 15, 2010
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. Through the use of some hi-tech gadgets, they manage to map the route using residual information left behind from Mylene and Shadow Prove's Dimensional Transporter Portal. Meanwhile, Keith and Gus are fighting a losing battle against the fully functional Alternative Weapon System. Despite their valiant effort, it begins to look doubtful that they will last long enough to see the arrival of their Brawler teammates who are racing there to provide some much needed back up.
52 "Final Fury"
"Super! Strongest! Warriors" (超!最強!ウォーリアーズ, Chou! Saikyou! Uōriāzu)
March 5, 2011 May 22, 2010
The battle between the Brawlers and Zenoheld's "Alternative" continues to rage. Exhausted by the seemingly insurmountable might they face, the gang wonders if they'll actually be able to beat the evil machine. Dan suddenly notices that Keith and Mira are missing and wonders if they've found a way inside. This reinvigorates the group and they blast their own hole into the hull of the Alternative and take the Battle indoors. Meanwhile, already deep in the belly of the beast, Keith and Mira make a last ditch attempt to get their father, Professor Clay, to leave the Alternative behind and become a family once again. Little do the Brawlers know, that they've been lured into Clay's sinister Virtual Trap.

Trivia

  • Like the previous season, most of the Japanese episode titles are all references to popular Japanese songs, mostly from the late '60s to '80s. Some others are taken from film titles or other pop culture references.