The original Fireman Sam ending credits 1987 was sung by Maldwyn Pope.... "When he hears the fire bell chime, Fireman Sam is there on time."

Ending Theme

When he hears the fire bell chime,
Fireman Sam is there on time.
Someone might be in a jam
So hurry, hurry, Fireman Sam.

He's always on the scene, 
Fireman Sam!
And his engine's bright and clean, 
Fireman Sam!
You cannot ignore,
Sam is the hero next door!