The Story of Vestroia is the 14th episode of Bakugan Battle Brawlers. It aired on July 5th, 2007 in Japan and October 16th, 2007 in North America.
Five of the top ten ranked brawlers are invited to Masquerade's house where Masquerade shows them Naga and recruits them to help him destroy the Brawlers. Meanwhile, Alice admits that Dr. Michael Gehabich is in fact her grandfather. He had disappeared six months ago, opening a portal from Earth to Vestroia making the Bakugan cards rain down from the sky.
- Several top-ranked Brawlers, including Billy, are invited to a party, which turns out to be a trap to recruit them to Masquerade's side.
- Alice reveals that Michael Gehabich is her grandfather.
- The Battle Brawlers travel to Michael's lab in Russia.
- The Battle Brawlers learn that Naga, Masquerade, and Hal-G are working together and that Hal-G and Michael are the same person.
- Chan Lee (debut in person)
- Komba O'Charlie (debut in person)
- Julio Santana
- Klaus Von Hertzon (debut in person)
- Fear Ripper