In this fifth installment of the Cloudland series, Battle For Cloudland, Uncle Josh is sick, and a diseased Mr. North Wind wants to shut down Cloudland. It's up to the Blueworld kids and their Cloudland teams to stop him, knowing that a final battle with him awaits, deep inside Cold Wind Mountain. But what they don't know is a new enemy, the Wind Demon, has the ability to completely destroy Cloudland! Will they find out and can they stop him? And can their Uncle Josh be saved?