Bakugan: Gundalian Invaders

Bakugan: Gundalian Invaders (爆丸バトルブローラーズ ガンダリアンインベーダーズ Bakugan Batoru Burōrāzu: Gandarian Inbēdāzu) is the third season apart of Japanese anime television series Bakugan Battle Brawlers. It has 39 episodes in length total, and is produced by TMS Entertainment and Japan Vistec.

Confrontation (Episode 5)
The gundalians kidnap a bunch of brawler who are then hypnotized by Kazarina.

Hostile Takeover (Episode 8)
Taylor and Casey, among other battlers, get controlled by Kazarina and fight Dan and Jake

Twin Attack (Episode 9)
The mind controlled brawlers recruit more brawlers for hypnosis.

The Sacred Orb (Episode 14)
More hypnotized battlers fight alongside Gundalians in their attempt to capture the Sacred Orb

Mobile Assault (Episode 22)
Kazarina hypnotize a group of brawlers and promptly sent them out to battle the Neathians.

Into the Storm (Episode 27)
A storm is rising and while Jake and Dan are out patrolling, they run into a boy named Robin. Robin tells the two that escaped the Gundalian and that he has to find his sister. Robin asks them to help him but when they don't he runs back into the portal for Gundalia. Jake and Dan argue about helping Robin with Jake going after Robin. It turns out to be a trap as Robin is controlled by Kazarina to bring Jake in; Jake battles and loses to Kazarina who takes him and will put him under her control.

Redemption (Episode 32)
Dan is caught off guard by Jake and is imprisoned in a cell that keeps Drago in ball form. Meanwhile, Fabia and Nurzak engage in battle with Kazarina and Stoica, giving Ren and Mason a chance to break in and rescue Zenet, Lena and Jesse. However, once they reach the lab, they are nowhere to be seen. Kazarina and Stoica press on the attack, causing Fabia and Nurzak to fall down a cliff. However that was part of their plan. Nurzak tells Fabia a story of a man who thrived to fight so much that he led a group of soldiers, including his daughter, into a battle they were unprepared for, resulting in the girl's death. Nurzak laments that Fabia reminds him of her. Suddenly, Kazarina and Stoica discover they have survived and another battle ensues. Meanwhile, Shun and Marucho have snuck into the palace under the guise of guards while Kazarina reveals a surprise: a hypnotized Lena, Jesse and Zenet. Stoica begins flooding the battlefield, forcing Kazarina, Lena, Zenet and Jesse to retreat. Nurzak saves Fabia while he and Sabator are carried away by the water. Nurzak has a vision of his daughter, Floria, and is pleased to know he will be with her soon. After Aranaut is unable to find them, Ren and Mason come across him and Fabia. Kazarina returns to where Dan and Drago are being held and tricks Dan and Drago into looking into her eyes. They fall, unconscious, and are put into a coma.