
2
Masquerade Ball
2007-04-12
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.

9
Fight or Flight
2007-05-31
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.

10
A Perfect Match
2007-06-14
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.

11
Grandpa’s Got a Brand New Bakugan
2007-06-14
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.

13
Just for the Shun of It
2007-06-28
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.

15
Duel in the Desert
2007-07-12
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.

29
Nightmare in Doomsville
2007-10-18
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.

30
I Am Marucho! Hear Me Roar!
2007-10-25
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?

31
A Place Far From Home
2007-11-01
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.

33
You’re Going Down Clown
2007-11-15
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.

37
You Say You Want an Evolution!
2007-12-13
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.

38
Behind the Mask of Masquerade
2007-12-20
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!

45
Ground Control to Major Dan
2008-02-07
The Battle Brawlers have managed to unite each element together, and they are given the blessing as the six new warriors. Hal-G and Naga are still causing chaos over Vestroia though, and now they are attacking Earth with the help of the hybrid Bakugan (Taygen, Hairadee, Rabeeder, Tricloid, Centorrior, and Druman) leading their Bakugan armies. The Brawlers must figure out how to save both worlds. Help is on the way though. Chan Lee, Billy Gilbert, Komba O'Charlie, Julio Santana, and Klaus Von Hertzon lead every Bakugan players of the world when they have decided to give assistance. Once Naga starts attacking with negative energy, his minions get charged up to turn the tables against the Bakugan players. Joe contacts the Brawlers that Naga in the real world. Drago senses Wayvern is in trouble when he sends his minions to find the Infinity Core, so the Brawlers head back to take on Naga.

46
The One Hit Wonders
2008-02-14
Wayvern puts up an energy shield around Wardington powered by the Infinity Core to hold off Naga and his troops. Meanwhile the Brawlers return and join in the battle to protect all of Earth and defeat Naga before he can join the two cores together. Failure means that both worlds will be destroyed. Jenny, Jewels, and Marucho protect the city via sea, where the Ventus/Aquos hybrid Tayghen has been creating tsunamis. The singing of Jenny and Jewels gets Bordington's fans to come out and cheer. Can Marucho, Jenny, and Jewels defeat Tayghen?

47
Here’s Mud in Your Eye!
2008-02-21
The battle against Naga's troops continues as Julie and Billy team-up to take on the Subterra/Haos hybrid Bakugan called Tricloid, who has been powered up by Naga negative energy. At first the two seem to be overpowered, but the adaption of each other's battle styles may be what's needed to help them realize how to work as a team again, especially when Naga decides to crash the party. Shuji and Akira also appear trying to get strategies from their sister Nene. With help from Nene and her Ravenoid, Gorem and Cycloid defeat Tricloid by getting rid of the Negative Energy that Naga placed on her. At the end, Julie asks Billy out on a date.

48
R is for Revenge
2008-02-28
Naga's troops have finally infiltrated Wardington after two defeats. Alice discovers that Tricloid's sister Rabeeder is invading the town. Little does she know the one she trained, Christopher, will also get involved in the battle. Dan is informed that Hairadee, Centorrior, and Druman are also approaching the city following Tayghen and Tricloid's defeat. When it appears these two are being overpowered, Klaus arrives. The three soon realize all that Rabeeder is doing is being controlled by her worry for her sister Tricloid. Alice starts doubting herself but Christopher helps her. Hydranoid defeats Rabeeder and is reunited with Tricloid as both of them return to Vestroia.

50
The Good, the Bad and the Bakugan
2008-03-13
Dan and Runo stand as the only defenses against Centorrior and Druman. As Dan recalls his past battle with them, he realizes they don't have a chance without help. Julie, Billy, Marucho, Klaus, Julio, and Komba also get involved in the battle due to Hal-G doing a blurred transmission by Hal-G posing as Kato. Elsewhere Alice stands ready to help her grandfather, Hal-G, who appears to have fully become himself again. She takes him where Joe and Wayvern are. It's all a trick though. He unleashes Naga. Shun has suspected a trap though, so he shows up and fights Naga. When Joe gets captured, Chan-Lee frees him and joins the cities last line of defense by unleashing Fortress. While Drago is stuck battling the last of Naga's servants, Wayvern is in great distress.

51
The Final Brawl
2008-03-20
Wayvern is calling to Drago to tell him that she needs help, the top ranked Brawlers must defeat Centorrior and Druman. Meanwhile Naga's negative energy is proving to be too much for Wayvern and Fortress. With Centorrior defeated, the others deal with Druman as Dan and Drago head over to where Naga. When Drago arrives, he fights Naga. With help from Julios, Runo has Tigrerra destroy Druman. Wayvern asks Drago to attack her so she can give him the Infinity Core. He does so, and Wyvern disappears. Drago becomes Infinity Drago. Drago then continues his fight with Naga. They both have 1000 Gs. In an epic battle, the two seem evenly matched. However, Hal-G sends out his 5th Paladins to assist Naga.