Fireman Sam: Hot and Cold Running Sniffer Dog/Paper Plane Down/Ukulele Crazy/Deputy James/Blazing a Trail

Mike doesn't believe that Radar is a rescue dog but he is soon proved wrong after he falls and breaks his arm in the Whole Fish Cafe cellar. / Norman's paper airplanes really heat things up at the fire station kitchen. / Sarah tries to turn Trevor into a ukulele star with a real live rock video, but when things go wrong, Sam ends up the surprise star of the video. / When James becomes Malcolm's deputy for the day, they end up with a real case to solve: The Case of the Missing Sandwiches! / Malcolm goes on a hike with Mike, Helen, Mandy and Norman. When a forest fire starts, Malcolm keeps them safe until Sam can find their location.