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: 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.
Trivia: Some episodes in Seasons 1-4 and 20 are based on the Railway Series Books written by the Rev. W. Awdry.
Trivia: Some boats that rescue Henry resemble some characters from TUGS.
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: According to a SiF interview, Fergus' model was damaged during filming of the landslide scene. His model still worked, but the flywheel couldn't turn anymore, nor could he puff anymore steam. This could be why he never appeared again after the airing of the seventh season.
Trivia: When Bill and Ben find Boco, there's a soup can on the left of the screen, dressed to be part of the set like a large oil drum or similar.
Trivia: Thomas, Edward, Henry, Gordon, James, Percy, Toby, Annie, Clarabel, and the Fat Controller (known in the American dubs as Sir Topham Hatt) are the only characters who appear in every season of the original series and "Big World! Big Adventures." Bertie and Henrietta appear in every season of the original series.
Trivia: The map of Duke's Railway is actually a map of railways on the Isle of Wight, flipped upside down. The line in particular which the Portly Man points out, is the Isle of Wight Central Railway.
Answer: Breakdown trains help the engines back on track.