Fireman Sam: Lost in the Caves/Shape Up and Shine/Space Train/The Wrong Smell

The Pontypandy Pioneers go exploring in some mountain caves. Mandy is interested in bats but Norman is terrified at the prospect of bats flapping their wings at him. / A heatwave hits Pontypandy and the fire crew are relaxing and trying to keep cool. Chief Fire Officer Boyce has other ideas as he puts his rigorous fitness routine into action. / As Sam Ellie and Arnold put Bessie in the shed to protect her from the winter chill they come across Gareth wearing a cardboard astronaut's helmet. / Helen Flood and Firefighter Penny Morris go on a mountain hike while Fireman Cridlington tries to teach Radar the Rescue Dog how to roll over