Thomas & Friends: Temporada 17, Episódio 28

17 - 28: No More Mr. Nice Engine

Diesel and Hiro have very different approaches when it comes to dealing with Troublesome Trucks. Hiro prefers to be gentle and kind, while Diesel wants to show them who is boss. After an incident with some milk that Diesel spilled, he tries to get Hiro to toughen up with the trucks.