Why did one Pokémon card sell for £150,000? Find out from "professional sports authenticator" Terry Melia, who decides how much collectible cards are worth. And why are board games still popular? Veronica Taylor is the voice of Ash from the cartoon series, she makes Chris's childhood dream come true. New releases include Jurassic World Evolution: Return To Jurassic Park and Frozen the mobile game. And Dr Chris Smith plays Surgeon Simulator! With Chris Berrow and Leigh Milner... Like this podcast? Please help us by supporting the Naked Scientists