Two teams are assembled for the new season with one composed of "hero" characters and the other team consisting of "villains".
The teams look to dig up puzzle pieces on the beach with the goal of assembling a well known landmark and avoid facing the Toilet of Shame.
The teams take part in a mountain climb challenge as well as a version of the 'Capture the Flag' game in another challenge.
The remaining contestants take part in a challenge where they must admit their most humilating secrets or become food to a mutant shark. Then they must go through a huge obstacle course while holding their "mascots."moreless
Betadron and Wiseman 2 (Gunz) battle against Dan and Drago. Dan hopes the battle can restore Gunz to his original self so he can return Reptak, but the fear of hurting Gunz may lead to their defeat. Only one side will be escaping the Doom Dimension.moreless
Wortson and Betadron join the Brawlers in an effort to get revenge on Mechtavius Destroyer. As the Battle Brawlers see the power that Mechtavius Destroyer has, Drago decides they must recruit some old friends from New Vestroia if they are to have any chance of winning the battle, but which old Bakugan are joining the fight, and will their power be enough to help overcome this newest obstacle?moreless
The stream of time deposits the Brawlers on the island after the Nonets have been destroyed but before Mechtavius Destroyer goes on his rampage. The Brawlers summon their Mechtogan and Dragonoid Destroyer, but Dragonoid Destroyer still isn't at 100%. Julie, Runo, and Mira assist from the airship by helping with battle suits and media coverage, but can the Brawlers hope to prevail unless Dragonoid Destroyer uses his full power?moreless
Chris leads a cast of thirteen all new competitors back to Camp Wawanakwa where they are split into two teams and compete in weekly challenges with one person ultimately being named the winner of a million dollars.moreless
The Brawlers have been banished to the Doom Dimension and must try to find a way to escape. Meanwhile Gunz has taken on Wiseman's armor and uses the nonets against the Mechtogan in an attempt to win back his identity, but will the Mechtogan prevail and destroy the nonets along with Gunz as they have promised to do?moreless
The real Gunz returns remembering only his last battle (against Dan) and discovering someone or something has been impersonating him. The Brawlers continue their on-going battle with Wiseman and not only are trying to save the world, the bond between the Bakugans and humans, but now Gunz!moreless
Dan, Shun, and Marucho try to determine how to deal with Wiseman and the Nonets when Dragonoid Destroyer is injured. Mira thinks the key may be found in Dragonoid Destroyers mysterious 30% power storage. When Wiseman, the Nonets, and the Mechtogan return before Dragonoid Destroyer is repaired, the Brawlers head into battle and combine their Bakugan hoping a miracle will help them win this battle.moreless
Wiseman has achieved his goal. He has managed to get enough power for the Mechtogan to come to Earth permanently, but one final battle between him and the Brawlers must take place first. Dan and company hope to stop Wiseman at his hideout before he can resurrect the Mechtogan, but when Wiseman appears on Earth, it looks like things are moving faster than the Brawlers anticipated. Who will walk away with the victory and be one step closer to their goals?moreless
Mira creates new Battle Suits to help the Battle Brawlers in the upcoming battles against Wiseman, but when her health deteriorates it puts the entire team at risk. The Battle Brawlers and forced to confront Wiseman and the Nomads without the Battle Suits, but Mira doesn't want to risk the Brawlers defeat. She sends Kato after the one person on Earth that can help the Battle Brawlers with Vesta technology- Runo. Will Kato make it back in time for Runo to help the Brawlers though?moreless
After defeating the Mechtogan that appeared in Bakugan City, a temporary peace arrives. The peace isn't meant to last though as a new danger known as Wiseman arrives. Armed with his Nonet Bakugan (evil Bakugan he has released from the Doom Dimension), Wiseman hopes to destroy all peace that exists between humans and Bakugan. Seeing no choice, the Brawlers and new ally Reptak enter into battle with Wiseman, but once the battle begins, Reptak notices Wiseman's style is similar to his missing partners: Gunz. What could the connection be?moreless
The desire for real Bakugan has increased on Earth so much that many Bakugan have decided to leave New Vestroia and come and live on Earth in the peaceful town of Bakugan City. Peace is to be shortly lived. An evil leader known as Coredegon invades Bakugan City and summons evil Mechtogan with the intent of destroying all the Bakugan and allowing the Mechtogan to take over the Earth. Dan, Drago, and the other Brawlers refuse to tolerate this and move swiftly into action calling on some old friends for assistance, but is there an even more deadly enemy behind Coredegon and these Mechtogan?moreless
Harry investigates the death of a college student which leads him to a most unusual ring of thieves. A group of students is using magick to commit a series of impossible thefts, and Harry must stop them quickly. Not only because what they are doing is wrong, but also because the magick will eventually kill them all.moreless
Franklin finds himself caught in a difficult situation when he promises to support Bear during his big-kid baseball game and attend Beaver's art-show, both of which are happening at the same time. Bear is best friend and he did promise him first, but he wants to honor his commitment to Beaver because he's always dodged attending her events in the past. Not wanting to hurt either's feelings, he tries to make himself visible at both events without Bear or Beavers' knowing, but quickly finds the juggling act harder to maintain than he thought it would be.
"Franklin's First Star"
Franklin and Bear are big hockey fans and have a favorite professional player - Coyote. They take part in outdoor hockey games against Beaver and Fox and Mrs. Muskrat stops by often to provide encouragement and hot chocolate. One day, Mr. Turtle takes them to see a hockey game and they get to meet Coyote. They tell him about how great they think he is, but his response brings them to have a new respect for someone else entirely.moreless