When Leon the possum falls asleep after one of his Nanunci's stories, he finds himself in the world of Big Adventures. Leon is greeted by Ty, a 'Creaturmal' with the body of a penguin and legs of a kangaroo! The pair become friends and head off to explore. What other fantastical Creaturmals will they meet along the way? And what will they find at the top of the big hill? Join them on their fun-filled BIG ADVENTURE and find out!