is also home to odd creatures called Miniroons, who look like bubble dragons, but can't blow bubbles.

One day, all the Miniroons on the island started blowing an unstoppable stream of bubbles, and before long, the entire island was covered.

It's up to Bub and his buddies to set out on a new adventure to rescue the Rainbow Islands residents trapped by the bubbles and save the Miniroons from their bubbly predicament!