Who is Madman Zonko, and will he and his evil friends be able to defeat Granny Planet once and for all? Or will the Grannies and Grumpy Granddads save their planet and their Grandchildren on Planet Earth?

Once upon a time in the distant past, a great number of grannies and granddads made their way to a place they called Granny Planet and decided to live there ever after. The granddads had grumbled and groaned so much that they became known as the 'Grumpy Granddads', and while they lounged about in their enormous tower, the grannies did all of the hard work in the village. But their world was never at peace, every day they faced a new challenge such as an evil beaver aiming to defeat them, or a dark wizard coming to trap them all under a spell forever, but every day they somehow survived until the next! Would their luck run out? Find out by entering the world of Granny Planet!