James finds out all about some very cool sea creatures - starfish. Chantelle is with Dawood to investigate different types of starfish - one with chocolate chips and another that looks like a cushion. Rory and his son Sandy are on Longniddry Beach looking in rockpools for starfish and seastars. Chantelle and Rory's fact files explain about the shape of starfish, how long they can live and how starfish stop other creatures eating them. It's also time to find out why they are an important keystone species. This episode's Teeny Tiny Task is to help the beach and the creatures by litter picking