Nitrogen Era
The Season 13 episode "Splish, Splash, Splosh" was originally going to feature the return of this character, however their role was cut
Who is Billy?
The lining on the back of Thomas' Cab disappears after this Classic Series episode, but returned in CGI during the 2015 movie "The Adventure Begins"
What is "Trust Thomas"?
Gordon's Snow Machine, which only appeared in the Season 5 episode "Snow," was originally going to have merchandise in this range, but it was later cancelled
What is Thomas Wooden Railway?
This episode's crash is among one of the most merchandised, with at least a dozen different ranges including a variation based on it
What is "Percy's Chocolate Crunch"?
This character was seen in concept art for Ulfstead Castle, made for King of the Railway, but was cut prior to returning
Who is Colin?
This is the only episode of the Nitrogen Era to have an official narration by Brenner Era narrator Mark Moraghan
What is "Snow Tracks"?
Thomas has had this many voice actors in the US dub, including Thomas & the Magic Railroad
(Ringo Starr, George Carlin, Alec Baldwin, Eddie Glenn, Michael Brandon, Martin Sherman, Joseph May)
Production of this episode involved the crew drilling out a part of Gordon's shell in order to fit a plot-relevant component
What is "Gordon & the Famous Visitor"?
The famous Percy accident from this episode was recreated in CGI, during the show's Big World, Big Adventures! era.
What is "Percy Takes the Plunge"?
Outside of Thomas and Gordon, this character is the only engine to have been seen in streamlined form that wasn't already streamlined
Who is Emily?
The Raspberry Syrup Tanker, featured prominently in this HiT era episode, was actually modelled in CGI by Nitrogen Studios, but was never used onscreen
What is "Too Hot for Thomas"?
This is the first episode of the show in which Thomas does not appear at all
What is "Edward, Gordon and Henry / Henry To The Rescue"?
During the production of this episode, Gordon would briefly gain white buffers, however they were removed shortly after
What is "Paint Pots & Queens / Thomas Meets the Queen"?
An unintentional accident during the filming of this Classic Series episode involved Percy taking a dive off the set, cracking his cylinder.
Prior to officially joining the voice cast in the Brenner Era as Stephen, Bob Golding was originally set to voice this returning character in Blue Mountain Mystery or Season 16, but their role was cut
Who is Fearless Freddie?
This engine is the only narrow gauge engine to have visited Misty Island
Who is Rheneas?
This episode marks the final appearance of Thomas' infamous O-Face in the model series
What is "Ghost Train / Percy's Ghostly Trick"?
Daily Double!
Outside of Gordon, this character is the only other engine to have used his winch prior to it disappearing after Season 1
Who is James?
In the Season 9 episode "Emily Knows Best," Emily convinces Percy to take the wrong track, resulting in Percy colliding with this character
Who is Mavis?
What is "The Great Race"?
Daily Double!
Nitrogen Studios actually modelled the Post Van in CGI, but it was never used on screen until this season
What is Season 24?
Gauge 3.5 (Jack Scale) models of Thomas and Percy were made during the production of this season, but went unused outside of brief Music Video appearances until the Jack miniseries was being developed
What is Season 5?
Three times this season, Henry was mistakenly shown wearing Gordon's smiling facemask instead of his own.
What is "Season 12"?
This Season is the first to not have Percy involved in an on-screen accident of any kind
What is Season 7?
This Season 21 episode was actually intended for Season 20, but was pushed back to the next season
What is "Hasty Hannah"?