Fireman Sam: The Pontypandy Polar Bear/Water Tower Inferno/Runaway Train/The Pontypandyness Monster

Huge footprints in the snow convince Sarah that there's a polar bear in the area. She tries to photograph it for a local newspaper competition. / It's a big day in Pontypandy Gareth is opening the Pontypandy mountain railway line and station. / When Bronwyn gives her father Gareth Griffiths a sausage sandwich for his lunch she has no idea the lengths Nipper the dog will go to for a bite! / Sarah makes up a story about a monster to get more customers on her Grandad's railway.