Thomas & Friends: Season 2, Episode 12

2 - 12: Pop Goes the Diesel

Based on the story of the same name from Duck and the Diesel Engine.A diesel engine arrives on the island, and Duck is given the task of showing him around. Diesel boasts that his kind know everything, so Duck leaves him to shunt some trucks alone, with disastrous results. He makes a fool of himself and the trucks laugh rudely at him.