Bakugan Battle Brawlers: Mechtanium Surge

Synopsis

After the Brawlers got used to the fact that Gunz was actually Wiseman, Mira was finally well enough to be discharged from the hospital but the bad news was Wiseman tricked them and stole some of the Battle Suits, however Defendtrix, Blasterate, and Doomtronic were the only ones left, now the pressure was on to get them back. Wiseman reappears with Betadron, Kodokor and Mutabrid with the stolen Battle Suits to battle Dan, Shun and Marucho. Meanwhile, Balista finds a secret door and ends up finding the real Gunz being unconscious and tangled in vines of some sort. Near the end, Dan and Wiseman have a personal fight to retrieve the stolen BakuMeter, but Wiseman and the Nonets retreat. Back to his volcano island, Wiseman reunites with Gunz and uses the vines to absorb his body's energy.

(Source: Wikipedia)