He's a really useful engine, you know All the other engines they'll tell you so He huffs and puffs and whistles Rushing to and fro He's the really useful engine we adore He's the one, he's the one He's the really useful engine that we adore He's the one, he's the number one Thomas the Tank Engine He's a really useful engine, you know 'Cause the Fat Controller, he told him so Now he's got a branch line to call his very own He's the really useful engine we adore He's the one, he's the one He's the really useful engine that we adore He's the one, he's the number one Thomas the Tank Engine Little blue train He's always there whenever you need a hand If you need help with a situation Who comes into mind? He's the one, he's the one He's the really useful engine that we adore He's the one, he's the number one Thomas the Tank Engine He's a really useful engine, you know Maybe little, but he's never slow Stand back in amazement, just you watch him go He's the really useful engine we adore He's the one, he's the one He's the really useful engine that we adore He's the one, he's the number one Thomas the Tank Engine He's the really useful engine we adore