S01E01 5 Apr 07

25m

Bakugan: The Battle Begins

The story begins with a young boy named Dan who has never lost a Bakugan match. While in a match against a bully Dan sees a vision of two Bakugan brawling. Is there more to the game than what the players think?

S01E02 12 Apr 07

25m

Masquerade Ball

A mysterious Bakugan player named Masquerade, who is ranked at #1 on the list of Bakugan players, is stealing Bakugan from players worldwide. Dan makes an open challenge to Masquerade, and loses two of his Bakugan to this mysterious player, thanks to a Doom Card, which makes a Bakugan disappear forever. Dan is lucky enough to not lose Drago, but might if he loses to Masquerade again.

S01E03 18 Apr 07

25m

A Feud Between Friends

Masquerade teams up with a player with Rikimaru, by giving him a very special Bakugan. When Rikimaru and Dan battle, Drago ends up using a dangerous move to save himself and win the battle. Dan gets angry, and throws Drago into a river, cursing the day they met.

S01E04 25 Apr 07

25m

Red Bonds

Dan has a hard time adjusting to life without Drago. He ends up causing a schoolmate named Ryo to drop his computer and runs away, hurting Ryo's feelings. Masquerade takes advantage of Ryo's hurt feelings, and Ryo beats Dan in a battle. Dan finds Drago, and tries to make up with Ryo.

S01E05 3 Mei 07

25m

Runo Rules

Dan and Runo meet for the first time, outside of the Bakugan website, and realize that they live in the same town. Dan drops his BakuPod, and Runo picks it up, noticing that Dan has battled Masquerade. She goes in his place, but ends up battling a boy named Tatsuya.

S01E06 10 Mei 07

25m

A Combination Battle

While at an amusement park, Dan and Runo are invited onstage to assist a magician act by two brothers. Dan picks a card, and realizes it's a Doom Card. The brothers are working for Masquerade, and Dan and Runo get tricked into a battle.

S01E07 17 Mei 07

25m

Bakugan Idol

Marucho reveals that he secretly moved to Dan's neighborhood, and throws an elaborate welcome party. Masquerade makes a business offer with the famous pop band duo, Jenny and Jewels. The duo crash the welcome party, and challenge the Battle Brawlers.

S01E08 24 Mei 07

25m

Girls Just Wanna Have Fun

Dan and Marucho fight against the pop star duo, Jenny & Jewels. After a narrow victory, Drago tells the Brawlers about how the Bakugan came to Earth, and how a human entered the Bakugan world of Vestroia.

S01E09 31 Mei 07

25m

Fight or Flight

Masquerade manipulates two boys, Kosuke and Takashi, into using his Doom Cards against the Bakugan Battle Brawlers. He promises that he'll reunite their friend Ai with her brother if they help him. Wanting to help their friend, they take the bait and soon run into Runo and Marucho, who are at the airport to pick up their website friend, Alice. Luckilly, Alice is skilled in the finer points of combination battle, and coaches her friends to victory. Alice has a secret, however, that might just ruin her friendship with the Brawlers.

S01E10 14 Jun 07

25m

A Perfect Match

Julie and her childhood friend, Billy, go one-on-one in a Bakugan battle. Although Julie's defeated by Billy, she's impressed with his skills and his Bakugan, "Cycloid." They make a great team, and Julie wishes she could befriend a talking Bakugan. Later, when Julie admits to herself how lonely she really is, the Bakugan Gorem appears. The two seem to be destined for each other.

S01E11 14 Jun 07

25m

Grandpa’s Got a Brand New Bakugan

Marucho and Runo realize that the combined powers of the Bakugan Brawlers are not enough to defeat Masquerade. Without Dan's knowledge, they visit Shun to try and get him to join. Shun's grandfather tries to get them to leave, but Shun makes a deal. If they win, he joins. If they lose, he'll walk away.

S01E12 21 Jun 07

25m

Bakugan Stall

Alice realizes that she may have a connection with the mysterious Hal-G, but doesn't have the courage to tell the other Brawlers. Meanwhile, Dan recalls the last battle he had with Shun. Shun's mother gives Shun a Bakugan, "Skyress", to watch over him.

S01E13 28 Jun 07

25m

Just for the Shun of It

Masquerade has been destroying the Bakugans of kids all over the world, and the Brawlers have to put a stop to it. Reluctantly, Dan accompanies Runo and Marucho to Shun's house to recruit him one more, but find out he's joining Masquerade! Dan accepts the challenge of battle, and with Drago, fights against Shun and Masquerade.

S01E14 5 Jul 07

25m

The Story of Vestroia

Lured by an invitation to celebrate their world class rankings, five of the top ten Bakugan players gather at a mysterious mansion. There they meet Masquerade & the evil Bakugan "Naga". They're put under a spell to take Dan & the other Battle Brawlers out of the picture. Meanwhile, Alice confesses that she believes that her grandfather Michael is responsible for the destruction of Vestroia. They decide to take a look around Michael's lab to find evidence of what happened to him.

S01E15 12 Jul 07

25m

Duel in the Desert

The Brawlers finally meet Julie up close and personal, but the mood goes from happy to sad when they see what's happening in Vestroia. Julie and Shun fight with Julie's friend Billy, the 9th ranked Bakugan player, and her neighbor Komba, the 5th ranked Bakugan player, knowing they were tricked by Masquerade to take out Dan and the rest of the Brawlers.

S01E16 19 Jul 07

25m

No Guts No Glory

Julie is still upset about Billy's betrayal, but tries to put it behind her so she can support the other brawlers. Meanwhile, Shun tells them about a valley similar to Bakugan Valley. Everyone heads there but on the way it is revealed that Shun lied about it being similar, and it was all a ploy to try and see why Masquerade always knows where they are all the time. He tells them that there has to be someone spying on them. At the valley, the 3rd best Brawler Chan Lee appears and challenges Dan to a brawl.

S01E17 26 Jul 07

25m

Best Friends Forever

The Brawlers are having trouble finding the Infinity Core. When they learn that their location might be being broadcasted, they shut off their signal.

S01E18 2 Agu 07

25m

Evolution Revolution

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

S01E19 9 Agu 07

25m

Julie Plays Hard Brawl

After a quarrel between the Brawlers, they all go separate ways. Julie decides to pursue her friend Billy and try to save him from Masquerade's evil ways.

S01E20 16 Agu 07

25m

A Little Help from My Friends

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

S01E21 23 Agu 07

25m

We're Good Friends

Klaus, Chan-Lee, and Julio return to finish off the Brawlers. Dan, Runo, and Marucho take them on, but what will happen when Klaus uses Marucho's stolen Bakugan?

S01E22 30 Agu 07

25m

Drago’s On Fire

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

S01E23 6 Sep 07

25m

Say It Ain’t Joe

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

S01E24 13 Sep 07

25m

Secret of Success

Alice helps a little boy defeat his biggest rival.

S01E25 20 Sep 07

25m

Trust Me!

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

S01E26 27 Sep 07

25m

Doom Dimension Or Bust

The Brawlers head to face Masquerade in one final battle.

S01E27 4 Okt 07

25m

Showdown

The Battle Brawlers learn through Webmaster Joe (who was on a trip with his mother) that Masqerade has defeated the World's Top Bakugan players, so they try to come up with a strategy to beat him. The strategy seems to backfire when Masquerade visits Dan's house and gets him to accept a battle. Now the evolved Drago and the evolved Hydranoid will go head-to-head with the loser getting a one-way trip to the Doom Dimension, which is later revealed to be full of Bakugan turned into stone.

S01E28 11 Okt 07

25m

The Brawler’s Last Stand

The Brawlers mourn over the loss of Dan and Drago. Meanwhile, Shun gets a challenge from Masquerade and decides to join Dan in the Doom Dimension. When Skyress learns of this plan, she tries to gather the other Bakugan and try to save Vestroia without putting their human partners in risk. Soon, the other Brawlers catch onto his plan and decide to join him, but first Runo makes a promise to Dan's mom - he's safe and will be home soon.

S01E29 18 Okt 07

25m

Nightmare in Doomsville

In the Doom Dimension, the Legendary Ancient Warriors of Vestroia prepare to test the powers of the Brawlers, seeing if they are worthy enough to save Vestroia. The Brawlers are separated and Julie is left with Gorem to face the Subterra Warrior, Clayf, and a shadow of her perfect sister, Daisy. With help from Gorem, Julie learns that she isn't her sister and she can only do the best she can do. Because of this, Gorem evolves into Subterra Hammer Gorem, and defeats Clayf.

S01E30 25 Okt 07

25m

I Am Marucho! Hear Me Roar!

Marucho must battle the Aquos Elemental Warrior, Frosch, and he is forced to send in Preyus early when he learns he is battling a shadow of himself. Preyus isn't feeling well throughout the battle, but he is able to give Marucho guidance to accepting his past. Marucho knew that he only did what his parents told him to make them happy, but he didn't like to always be so obidient. This causes Marucho to hate his old self. By accepting the past him, Marucho was able to help Preyus' digestion problem. This allows Preyus to evolve by spitting out his brothers: Aquos Angelo/Aquos Diablo Preyus. Will the combined strength of these brothers prove to be enough to defeat the Aquos Warrior?

S01E31 1 Nov 07

25m

A Place Far From Home

Shun is stuck with the female Ventus Lord, Oberus, who has summoned a child that looks like Shun's mom to battle. The child convinces Shun to play with her while the sun is still setting, which it never does. Shun must battle himself as well when he is forced to choose between going back or staying in this world with his mother. In the battle with Oberus, Shun believes that he doesn't need his friends. His belief causes Skyress to die after a great impact with Oberus. When Shun realises his mistake, a tear drops down onto Skyress' ability card, changing it, and miraclesly reviving Skyress, which evolved into Storm Skyress. In the end, when Shun chooses to return to his world, Skyress evolves to Ventus Storm Skyress.

S01E32 8 Nov 07

25m

Play Nice, Runo!

Runo and Tigrerra must battle a young boy from Runo's past (a smaller version of Dan) summoned by The Haos lord, Lars Lion. The test is for Runo to realize how much she truly treasures her and Dan's friendship/love. When Tigrerra is getting hit by Lars Lion's piercing arrows of light, Runo realises the friendship/love that she treasures and says "We are Friends Forever Dan!" in the English dub, while she says "I love you Dan!" in the Japanese Version. When Runo realizes this, Tigrerra evolves into Haos Blade Tigrerra.

S01E33 15 Nov 07

25m

You’re Going Down Clown

Dan must battle the Pyrus Lord, Apollonier, in order for him and his friends to return to their world. He and Drago soon find out that they're battling a clown. Dan manages to win the battle, but Drago doesn't evolve. When Dan rips off the clown's mask, it turns out to be Runo. In order for Drago to evolve and Dan to past his test, he must battle, and win, against each of the Brawlers.

S01E34 22 Nov 07

25m

Home Sweet Home

Joe is determined to find out where his friends have gone, so he challenges Masquerade to a battle. At first Joe appears to be outmatched, but Wyvern returns to give Joe assistance. The Brawlers also return, and Masquerade realizes his battle is only beginning. Dan explains everything about the Bakugan to his mother, who believes him and asks Drago to take care of him. Naga is revealed as one of the most dangerous Bakugan in the world.

S01E35 29 Nov 07

25m

Dan’s Last Stand

Dan tells Shun, Julie, and Marucho that he has yet to pass the test in the Doom Dimension and the only way to have Drago evolve he has to defeat his friends one by one. Julie first battles Dan and Dan wins. Then, he battles Marucho and wins again. Shun says he will battle Dan the next morning. Masquerade is in the Doom Dimension and is about to start a battle with Alice.

S01E36 6 Des 07

25m

Show Me What You’ve Got!

Dan's final test is to beat his friends so his Dragonoid can evolve to the next level and become the Ultimate Bakugan. Dan battles Runo and Shun while Masquerade goes to see the Darkus Lord, Exeedra, and he ends up fighting Alice as a mirage.

S01E37 13 Des 07

25m

You Say You Want an Evolution!

Joe shows up after Dan defeats Julie, Marucho, and Runo for Wyvern to check out Drago's battling skills when Dan and Shun have their battle to finish Dan's test. Meanwhile, the Darkus Lord and Masquerade finish their battle. In the end Drago beats Skyress and becomes the Pyrus Ultimate Dragonoid, and Duel Hydranoid beats the Darkus Lord and evolves into the Darkus Alpha Hydranoid.

S01E38 20 Des 07

25m

Behind the Mask of Masquerade

Alice appears to be disappearing all the time. Dan goes to talk with Marucho, Runo, Shun, and Julie and ends up finding Alice! Alice won't explain anything and leaves. Later, Joe receives a message from Masquerade, and Dan decides he'll take over to fight Masquerade with Drago to end it once and for all with Masquerade. Dan wins and offers Masquerade to join the Battle Brawlers to help defeat Naga. But Masquerade refuses and takes off his mask. It is revealed that Alice was Masquerade the whole time!

S01E39 27 Des 07

25m

Masquerade Unmasked

Hal-G appears to explain the origin of Alice and Masquerade. Because she is unable to forgive herself, Alice then disappears. Meanwhile a huge hole opens up in the ocean and weird weather has been happening all throughout the earth. Through much convincing, the Brawlers convince their parents about the Bakugan. What will they find in the decaying Vestroia? Dan and the Brawlers decide to take a little road trip, to Vestroia!

S01E40 3 Jan 08

25m

Alice Gets Schooled

Alice tells Klaus about what she did as Masquerade, and gets pulled into a battle to punish her for sending his Bakugan to the Doom Dimension while she had been Masquerade. However, Klaus was just trying to teach her a lesson, that everyone, and everything must work together in order to create harmony.

S01E41 10 Jan 08

25m

A Fish Called Tayghen

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

S01E42 17 Jan 08

25m

The Race to Vestroia

As the remaining Brawlers enter the hybrid world of Subterra and Haos, a pair of Subterra/Haos Bakugan sisters named Rabeeder and Tricloid fall in love with Dan. The sisters say the only way out is if they beat them in a race. Dan and Drago win and leave to the next world.

S01E43 24 Jan 08

25m

Next Stop Naga-Ville

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

S01E44 31 Jan 08

25m

It’s a Long Shot

Alice becomes Masked Man to aid Dan and Drago, but they find Centorrior and Druman unexpectedly powerful. Undeterred, Dan and Masked Man formulate a strategy to overcome their foes.

S01E45 7 Feb 08

25m

Ground Control to Major Dan

The Brawlers fail to reach Vestroia in time, allowing Naga to invade Earth with his destructive Bakugan army. To thwart him, they must locate Wavern, the keeper of the Infinity Core.

S01E46 14 Feb 08

25m

The One Hit Wonders

Naga and his followers sow panic worldwide, but the Brawlers return. Wavern creates a force field around them using the Infinity Core, yet it collapses due to the core's intense heat.

S01E47 21 Feb 08

25m

Here’s Mud in Your Eye!

The Brawlers divide to defend separate areas of the neighbourhood. Billy and Cycloid arrive to assist Julie and Gorem. Julie warns that Tricloid's arrival will bring Naga's malevolent influence.

S01E48 28 Feb 08

25m

R is for Revenge

Rabeeder hunts for the Infinity Core to deliver to Naga, but Alice and Christopher confront her. Meanwhile, Wavern urges Drago to take the Infinity Core before Naga can steal it.

S01E49 6 Mar 08

25m

Showdown in Wardington

The return of Naga's Ventus/Aquos servant hybrid Hairadee has brought new troubles for Komba and Shun. While Skyress is trapped in a barrier of ice, Shun reveals his ninja skills to free Skyress and defeat the hybrid. Julio crashes the party and helps the battle. Will the three of them be enough to take Naga's servant on?

S01E50 13 Mar 08

25m

The Good, the Bad and the Bakugan

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

S01E51 20 Mar 08

25m

The Final Brawl

Naga has trapped Wavern, and although it looks like she has no choice but to surrender the Infinity Core to her wicked brother, Dan and Drago arrive.

S01E52 27 Mar 08

25m

Game Over

As Hal-G releases 5th Paladins, all seems hopeless until the Brawlers send their Bakugan to aid a wounded Drago. They destroy the 5th Paladins as Naga absorbs the 5th Paladins' energies. With the last of his power, Drago fires a brilliant burst of fire.