Grandpa's Got A Brand New Bakugan.Episode starts out with Dan battling one of Masquerade's minions. He wins but then passes out. When Dan wakes up, Marucho proposes that they need all 6 attributes. He then says they should get Shun, No.1 bakugan player in the world, on their team, because he has Ventus Bakugan. Runo agrees but Dan is against it. However, Runo and Marucho go to see Shun anyway. They enter his home, only to run into traps and eventually Shun's ex-ninja grandfather. Shun's grandfather attempts to attack them but Runo and Marucho accidentally pull out their Battle Cards and stop time. They walk past him and restart time making him fall into his own trap. Runo and Marucho then hear Shun playing on his Leaf Whisle and find him. They ask him to join, but he refuses. Skyress then comes and asks Shun if this is what he really wants. Right before Runo and Marucho leave, Shun challenges them to a battle. Runo and Marucho argue over who'll take him on, and he states he'll fight them both. He says he'll join, but only if they win. Runo doesn't think he'll stand a chance, and the battle starts. Runo and Marucho both think of a few plans which fail. Shun then uses "Winds of Fury" which take out some of their Bakugan. But Preyus and Tigrera both come out onto the field and leave Shun with just Skyress. Runo and Marucho think that they have won but Shun takes both of them out, winning the battle.