From Nerd to Ninja! (Ninja Kid 1)

Nelson's a nerd! Unfit, uncool ... totally awkward! But when he wakes up on his tenth birthday, he discovers he's a NINJA! THE LAST NINJA ON EARTH! How's he going to save the world when he can't even get his undies on the right way?! With the help of Grandma's inventions and his wild cousin Kenny, can Nelson master his new ninja skills AND save Duck Creek?