Fireman Sam was a children's animated series on Earth around the 21st century.[additional sources needed]
The Twelfth Doctor and Clara Oswald once met a fireman named Sam, who had insisted that he had "heard all the jokes" and that none of them are funny. (COMIC: The Hyperion Empire)
Behind the scenes
Harriet Kershaw has voiced two recurring characters on Fireman Sam: Ellie Phillips and Bella Lasagne.
Other voice actors on the programme have included David Tennant, John Barrowman and Kerry Shale.