Thomas & Friends (1984)

S03E07 Thomas, Percy and the Dragon

Percy playfully mocks Thomas for his fright during the "Ghost Train" incident. However, when Percy finds himself trapped in a siding due to a points malfunction, he faces a long, eerie night alone. To his shock, he encounters a fearsome dragon! The next day, he struggles to convince the others of his terrifying experience. Will they take him seriously?