Professor Shari finds a paper in her mailbox that Treasure Island has rare gold there from a very long time ago that belongs to the pirates who have died from the very big war. So Shari invites the brawlers and the Crystal Monsters to a big trip beyond the sea. Shari takes the trio to the Treasure Island for exploring different kinds of golds. The next thing that Kouchu takes the gold away from the underground, the pirates popped up, and held everyone hostage accusing them for robbery. They ran away while being chased. Professor Shari explained to the pirates that they needed the treasure for the big examination. The pirates was then beaten by Crystal Monsters. The golds are now uses for Shari's examination. The brawlers seeks a time machine.
