Thomas and Friends Worlds Strongest Engine - Featuring Thomas and Friends Minis and Thomas Trackmaster trains. Thomas the train and his friends Toby, Gator, Spencer, Hiro, Henry, Diesel 10 and Percy team up with their mini versions to compete to see who is the Worlds Strongest Engine Team. The losing trains fall into a gross and smelly old shoe! See who is the winner of this epic challenge and who gets sent to packing to a stinky shoe.