Middle Engine Thomas the Tank Engine & Friends : Season 6 Episode 14

Percy hates being a "middle engine" where he has trucks both in front and behind him. 'Arry and Bert, the Smelter Yard diesels, trick him into being a middle engine, and James boasts at the shed to the others that the pair wouldn't be able able to trick him. They do however and James, annoyed at being a middle engine, refuses to move...