Story Holes: A cryptic call leads the AO in search of a missing Bakugan, but they soon realise the call was actually a test from a mysterious benefactor. (S1 Ep20)
Rubbed the Wrong Way: After a Bakugan field erupts, the town kids stampede to get their own Bakugan. But when the field is contaminated, Lia must save the day. (S1 Ep17)
Mr Moon: Wynton finds a new Bakugan who proves difficult to control, but things get more complicated when Colonel Tripp seizes control of Trox. (S1 Ep15)
Brawl for it All: With the Bakugans knocked into a hibernation state by the Mind Core Cell, only Dan and Magnus remain, locked in a brawl for it all! (S1 Ep44)
The Throw Down: Lightning reveals his discovery of the Mind Core Cell, but the AO arrive only to discover that Magnus has already beaten them to it. (S1 Ep43)
Lightning Unleashed: Lightning uncovers the Mind Core Cell buried beneath the earth and battles Strata Hunter in an effort to protect its secret. (S1 Ep42)
Power Tripp: After falling out with Dan, Wynton is mind-controlled by Tripp, who stages an attack to ignite a war between Brawler and Military. (S1 Ep40)
Tripped Up: Dan and Wynton stumble on both a possible hidden location of the Mind Core Cell and Colonel Tripp, who wants the energy source for himself. (S1 Ep39)
Bad Actors: Dan tries to lie about evolving Drago and gets exposed, while the team face off against Duran Dane and his unhappy Bakugan Nilious. (S1 Ep38)
Ronin Son: When Shun's cousin, Masato Kazami, claims Hydorous as his intellectual property, the AO must battle to keep their friend by their side. (S1 Ep36)
Shun Shine: The AO want to evolve their Bakugan like Dan did with Drago, but only Shun finds a way by tapping into the energy of the Mind Core Cell. (S1 Ep35)
Honey Struck: After Strata is sent packing, the AO discover that they have picked up a hitchhiker, a panda-like Bakugan who is nothing but sticky trouble. (S1 Ep34)
Subterranean Homesick Blues: The AO return home to learn that no time has passed, but they soon discover their knowledge of brawling has gotten years more advanced. (S1 Ep33)
Core Cell: The AO defend the Core Cell from an attack by Tiko, and, in a last ditch effort to save it, Dan manages to evolve Drago into his L2 form. (S1 Ep32)
Outer Demons: The AO find the doorway out of Vestroia, only to learn they have entered a mirror world of their own imagining created by the Core Cell. (S1 Ep30)
All Jungled Up: Still lost in Vestroia, the AO experience the mind-altering effects of the nearby Core Cell, and come face-to-face with the Bakugon monster, Tiko. (S1 Ep29)
Stratified: The AO embark on a mission into the mysterious labyrinth world of Vestroia to find Strata the Hunter and free the Bakugan he has imprisoned. (S1 Ep27)
Dawn Before Dusk - Part 2: Benton Dusk reveals that the AO have been identified as persons of interest by powerful corporations, including Philomena Dusk's AAAnimus. (S1 Ep26)
Dawn Before Dusk - Part 1: The AO meet Benton Dusk, discovering that their quiet little corner of the world is about to become much, much larger. (S1 Ep25)
Midsummer Nightmare: Drago and the other AO Bakugan face an unseen threat with earth-shattering power, only to be left wondering if it was all a dream. (S1 Ep23)
Home on the Run: We are introduced to Shun's mysterious backstory, his relationship with his industrialist father and desire for a closer knit family. (S1 Ep21)
Story Holes: A cryptic call leads the AO in search of a missing Bakugan, but they soon realise the call was actually a test from a mysterious benefactor. (S1 Ep20)
Rubbed the Wrong Way: After a Bakugan field erupts, the town kids stampede to get their own Bakugan. But when the field is contaminated, Lia must save the day. (S1 Ep17)
Mr Moon: Wynton finds a new Bakugan who proves difficult to control, but things get more complicated when Colonel Tripp seizes control of Trox. (S1 Ep15)