What episode does Drago meet Wyvern in Bakugan Battle Brawlers?

In "Bakugan Battle Brawlers," Drago meets Wyvern in Episode 11, titled "The Battle of the Brawlers." During this episode, the brawlers face off against each other, and Drago encounters Wyvern, leading to significant developments in their rivalry. The episode showcases the dynamics of their abilities and the unfolding plot surrounding the battle brawlers.