Thomas and Winston, the new track inspection vehicle, restore an open-top carriage for the Fat Controller's birthday.

There's a buzz of excitement on Sodor today. Stafford, the new shunting engine, is in the Steamworks! He's electric and runs on batteries, so everyone wants to meet him.

Whiff would so like to be as fast, strong and loud as Spencer. He thinks he is a very grand engine indeed. But Whiff's dreams lead to his undoing.