Fireman Sam: The Why Files/The Treasure Trap/The Prince in Pontypandy/The Pontypandyness Monster/The Pontypandy Polar Bear

Norman and Hannah set themselves up as The Why Files - investigators of the mysterious mysteries of Pontypandy. / When Sam is cast as the main lead in Mrs Chen's play Elvis decides to give him some tips on acting. / The prince comes to Pontypandy and everyone is making a fuss over him but he returns the favour and helps Fireman Sam and the team out. / Sarah makes up a story about a monster to get more customers on her Grandad's railway. / 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.