Mazu, Tiny, Rocky and Bill are back for another prehistoric adventure. When the four friends find themselves trapped in a cave, home to the terrifying Shriekasaurus, they nervously make their way through the dark paths to try and find their way out. Luckily, they have one tiny hero among them - will she be able to guide them out of the cave or will they end up a tasty snack for the fearsome SHRIEKASAURUS? 4+