Mim-Mim is tasked with keeping Kate occupied while the rest of the gang prepare a big surprise for her. But keeping the surprise a secret is one of the hardest things he's ever done.

Boomer tries everything to make his pet Zoom Zoom as happy as possible, but it's never what Zoom Zoom really wants!

When Boomer flies a wind flower for the first time, his loops, flips and stunts look out of control. But when the rest of the gang get swept up by a whirlwind in the Gusty Windstream, it's up to Boomer to rescue them!