Fireman Sam - Series 4 - Fit for Nothing

Fun with the friendly fireman. When Fireman Sam invents a new exercise machine called the Joggalator, everyone wants a go. All the fire station wants to be picked to appear in the new Wales's Fittest Firefighter calendar, but who'll be the winner? Meanwhile, outside a thunderstorm is raging and Sarah's cat Rosa is scared up a tree by a flash of lightning.