Thomas & Friends: Season 20, Episode 21

20 - 21: Henry in the Dark

Henry is accidentally given some "glow-in-the-dark" paint atthe Steamworksand is confused as to why everyone he comes across runs away from him. It is shown that his paint is glowing and laughs at the misunderstanding. When the others tease him for being a scaredy engine, Henry devises a plan to get them back.