You are going to Watch Bakugan Mechtanium Surge Episode 21 online free episodes with HQ / high quality. Stream cartoons Bakugan Mechtanium Surge Episode 121 Online Dangerous Beauty. The Brawlers are trapped inside Bakugan Interspace and to make matters worse, Chris and Soon arrive with an injured Sellon, sure that she has changed her ways. Dan agrees to trust her, but Shun knows better. While Brawlers fend off an attack, Sellon gets Dan alone and tricks him, stealing his Key. Shun arrives but is too late to stop her from taking the Key and escaping. He gives chase but Chris and Soon, unaware that Sellon is still evil, try to stop him, allowing Sellon to escape. Sellon gives Mag Mel the Key, but he disintegrates her anyway.