Thomas' Christmas Party - S1-E26
Trivia: At the end, the podium on which The Fat Controller is standing, is made of LEGO bricks.
Trivia: The events of this episode were remade in CGI for the 2015 special, The Adventure Begins.
Trivia: When Henry leaves the docks, a workman beside Henry looks like Ringo Starr, the narrator.
Trivia: In the shot of the butler saying: "You are wanted on the telephone." A picture of a Victorian-style train with a moustache from the Railway Series is seen on the wall behind the butler.
Trivia: The studio that made the Thomas and Friends show didn't have the budget to buy a bunch of coaches, so in order to save money, they painted one side tan and the other side green and white. This probably explains why the coaches keep getting flipped. They always show the same side of the coaches so that no one will tell the difference. This resulted in a goof.
Answer: Breakdown trains help the engines back on track.