Thomas & Friends: Season 6, Episode 6 - ProjectFreeTV

6 - 6: The Fogman

Misty Valley is often very misty, which is why Cyril, a friendly fogman, puts detonators on the tracks to warn engines of oncoming mist. The Fat Controller replaces him with a fog horn, believing he needs a rest, but it turns out the fog horn is more trouble that it is worth.