Fireman Sam: Wild Snaps/Find the Fossil/Keep Calm and Upwards Octopus/Go-Cart Challenge/Mystery of the Pontypandy Werefox

Which team will win Malcolm's Wildlife Photo Challenge - Mandy and Mike, Sarah and James, Hannah and Joe, or Norman and Jodie? / Peter finds what looks like a dinosaur fossil - but Nipper the dog runs off with the bone and gets stuck on a ledge over the edge of a cliff! / Despite constant interruptions, Mandy tries to stay calm and earn her yoga badge... until disaster strikes and she needs to be rescued from a cliff ledge! / A Go-Kart Challenge goes topsy-turvy when Peter's Go-Kart catches fire and sets ablaze everything in its path! / The Why Files (Norman and Hannah) investigate a mystery involving spilled milk, a half-eaten sausage roll, and strange 'dog like' footprints...