Fireman Sam season 7 episode 13
Episode title: The Wrong Smell
Helen Flood and Firefighter Penny Morris go on a mountain hike while Firefighter Cridlington tries to teach Radar the Rescue Dog how to roll over. When the fog rolls in and Firefighter Penny Morris hurts her ankle, she and Helen Flood become lost. Fireman Sam, Radar the Rescue Dog and Tom Thomas come to the rescue.
