Thomas & Friends series 21

Thomas & Friends is a children's television series about the engines and other characters on the railways of the Island of Sodor, and is based on The Railway Series books written by the Reverend W. Awdry.

Thomas & Friends
Series 21
No. of episodes	18
Release
Original network	Channel 5 (UK) Nick Jr. Channel (US)
Original release	18 September (2017-09-18) – 22 December 2017 (2017-12-22)
Series chronology

This article lists and details episodes from the twenty-first series of the show, which started airing on 18 September 2017 in the UK and on 15 December 2017 in the US. The series was narrated by Mark Moraghan, in what was his last series. This was the first series to air on the Nick Jr. Channel in the United States.

This series became the first to have engines and vehicles move their bodies as opposed to being static as they had been in the previous series.

Episodes

No. overall	No. in series	Title	Directed by	Written by	Original air date	TV Order
495	1	"Springtime for Diesel"	Dianna Basso	Davey Moore	18 September 2017 (2017-09-18)	28a
Daisy's springs need fixing after Diesel bumps her. Diesel notices this when Ryan was taking her, Judy and Jerome to the Dieselworks, after he bumps Thomas at the yards and gets annoyed with everyone talking about it. After Daisy is repaired, she tells Diesel that he needs to change his ways.
496	2	"A Most Singular Engine"	Dianna Basso	Davey Moore	19 September 2017 (2017-09-19)	28b
Diesel causes trouble between Daisy and Harvey by spreading rumours, but some crates at the crossing make Daisy and Harvey be friends, by assisting one another on a task.
497	3	"Dowager Hatt's Busy Day"	Dianna Basso	Lee Pressman	20 September 2017 (2017-09-20)	29a
Dowager Hatt runs the railway, while Sir Topham Hatt is sick and away, but causes lots of trouble, starting from Thomas collecting her new hat to Emily taking Annie and Clarabel on Thomas' Branch Line to Gordon taking trucks of scrap to Percy taking Gordon's Express and other things causing confusion and delay. This gives Emily the time to help her.
498	4	"Stuck in Gear"	Dianna Basso	Davey Moore	21 September 2017 (2017-09-21)	29b
Harvey is a cheery engine, not only unique for his paintwork but for his crane, but when a branch gets stuck in the gears of his crane while clearing some branches out of the way, Harvey feels too shy to ask for help, resulting in trying to fix it himself, only to derail outside a tunnel.
499	5	"Runaway Engine"	Dianna Basso	Helen Farrall	22 September 2017 (2017-09-22)	30a
After a mess with the garbage, Stephen thinks that Millie ran away after hurting her feelings, so he leaves Glynn at the castle to find Millie with his passengers unexpectedly with him, only to run out of water.
500	6	"P.A. Problems"	Dianna Basso	Lee Pressman	25 September 2017 (2017-09-25)	30b
Sir Topham Hatt's new public address system causes havoc, while Reg uses the old public address system for music down at the Scrapyard.
501	7	"Hasty Hannah"	Dianna Basso	Lee Pressman	26 September 2017 (2017-09-26)	31a
Whilst Henrietta is at the Steamworks being refurbished with new seats, Toby works with another coach, that looks just like Henrietta, who is named Hannah. Hannah is excited to be working with Toby and criticizes him for being slow. She makes Toby speed up too much, so Toby leaves Hannah on a siding and when he returns, Hannah is nowhere to be seen. James passes by with Hannah in tow. At first Hannah is enjoying her fast ride but when she starts to fall apart she becomes horrified as her coupling snaps and as she heads into a nearby siding, now knowing that going too fast can be dangerous. Later on, as Toby arrives with Henrietta, Hannah is happy to see Toby, but when she notices Henrietta, to Toby's surprise, Henrietta reveals that she and Hannah are sisters.
502	8	"Cranky at the End of the Line"	Dianna Basso	Lee Pressman	27 September 2017 (2017-09-27)	31b
After some trouble down at Brendam Docks, Cranky thinks that the Fat Controller will replace him with a newer, shinier crane.
503	9	"New Crane on the Dock"	Dianna Basso	Lee Pressman	28 September 2017 (2017-09-28)	32a
Cranky competes against Carly the new crane when she starts taking all his work, only to get her and himself tied up. This episode marks the formal introduction of Big Mickey, a hitherto-silent character from the franchise's sister series TUGS, whose model had previously been used as set dressing following the cancellation of "TUGS".
504	10	"Unscheduled Stops"	Dianna Basso	Helen Farrall	29 September 2017 (2017-09-29)	32b
When Bertie the Bus breaks down at the Level Crossing during yet another race, Thomas starts making unscheduled stops for Bertie's passengers, which in turn delays his own other passengers. The Fat Controller becomes suspicious, so he decides to follow Thomas and finds out about his unscheduled stops, so he recruits a newly resurrected Bulgy (who returns since having a cameo in Series 12) to fill in for Bertie as well as take his passengers, which means Thomas can run on time again.
505	11	"Philip's Number"	Dianna Basso	Lee Pressman	2 October 2017 (2017-10-02)	33a
Philip wants to know why he has the number 68 painted on his side after being teased about it by Gordon. For a while, Philip thinks of numbers of where ever he goes, from the Steamworks to the Dieselworks and from the Station platforms to the Troublesome Trucks, until he saves Farmer McColl's sheep from Gordon: 68 of them.
506	12	"The Fastest Red Engine on Sodor"	Dianna Basso	Helen Farrall	3 October 2017 (2017-10-03)	33b
When Rosie is repainted red, according to Thomas, James becomes jealous and challenges her to a race to Crovan's Gate to see who is the "Fastest Red Engine on Sodor". Following a near miss with Henry, James is advised by Rosie to have his brakes checked. Unbeknownst to James and his crew, however, he is leaking brake fluid, but they haven't heard the noise since James gave Rosie his Troublesome Trucks. This results in a total brake failure, and James crashes into the back of Tidmouth Sheds.
507	13	"A Shed for Edward"	Dianna Basso	Lee Pressman	4 October 2017 (2017-10-04)	34a
While the damaged part of Tidmouth Sheds is being repaired, Edward first sleeps at Wellsworth Sheds with Philip, then at Brendam Docks, then at the Steamworks, then on a ship, then at Ulstead Mine, and then the woods, but they are all too noisy for him to get a good night's sleep all night long or all day long.
508	14	"The Big Freeze"	Dianna Basso	Helen Farrall	1 December 2017 (2017-12-01)	34b
When a big freeze hits the island of Sodor, Diesel finally proves himself to be a hero by bringing the coal for the steam engines.
509	15	"Emily in the Middle"	Dianna Basso	Davey Moore	6 December 2017 (2017-12-06)	35a
Emily must help Donald and Douglas with a long, heavy train of pipes to Vicarstown. Donald pulls at the front, while Emily and Douglas push from the back. On the way, Douglas tells Emily about Donald's accidents, making Emily laugh. Her laugh echoes through the pipes, causing Donald to hear and want to switch places with Douglas. As they go up Gordon's hill, Donald tells Emily about Douglas' most recent accident, which makes Emily laugh again. Douglas overhears this and argues with Donald. Emily is unable to hold the train on her own, and as a result, she gets pushed off the rails by a giant snowball.
510	16	"Terence Breaks the Ice"	Dianna Basso	Lee Pressman	11 December 2017 (2017-12-11)	35b
Terence takes a shortcut across a frozen lake while collecting Christmas trees for the holiday market and Thomas tries to save him. The flashback events of Thomas, Terence and the Snow/Terence the Tractor were recreated. Unlike the original story where Terence pulled Annie and Clarabel first when they were uncoupled from Thomas, he pulls them all out at the same time in the flashback.
511	17	"Daisy's Perfect Christmas"	Dianna Basso	Davey Moore	18 December 2017 (2017-12-18)	36a
Daisy is sad when Christmas doesn't go as planned: the Decorating of Vicarstown, the Children, Mike, Rex, and Bert's fake snow show, the electricity problem back at Vicarstown, the Troublesome Trucks singing Christmas Carols, and Harold with the Star. Ryan, Judy and Jerome soon tell her that change is good every year.
512	18	"Confused Coaches"	Dianna Basso	Helen Farrall	22 December 2017 (2017-12-22)	36b
Spencer and Gordon accidentally upset their passengers when their competitive behavior gets out of hand and their coaches get mixed up before the New Year's celebration begins.

Voice cast

Main article: List of Thomas & Friends voice actors

Lucy Montgomery, Colin McFarlane and Nicola Stapleton officially join the cast from that year's special. Stapleton officially takes over the role of Rosie from Teresa Gallagher in the UK and Jules de Jongh in the US while Rob Rackstraw officially takes over the role of James in the UK from Keith Wickham.

Actor/Actress	Region	Role(s)
Mark Moraghan	UK/US	The Narrator
John Hasler	UK	Thomas
Joseph May	US
Nigel Pilkington	UK/US	A Passenger
	UK	Percy
Christopher Ragland	US
	UK/US	Troublesome Trucks
Keith Wickham	UK	Edward, Henry, Gordon and Harold
	UK/US	Harvey, Glynn, Salty, Den, Stafford, Skarloey, Arlesdale Bert, Bertie, Sir Topham Hatt, Dowager Hatt, Lord Callan, Farmer Finney, The Man in Sea Green Shirt and Glasses, The Grumpy Passenger, The Man in Whitish Brown Shirt and Brown Shorts and The Woodsmen
Rob Rackstraw	UK	Toby
	UK/US	James, Donald, Big Mickey and The Thin Clergyman/Wilbert Awdry
Kerry Shale	US	Henry, Gordon and Harold
	UK/US	Diesel, 'Arry and Kevin (Hasty Hannah only)
William Hope	US	Edward, Toby, The Duke of Boxford and Farmer McColl (Phillip's Number only)
	UK/US	Iron Bert
Teresa Gallagher	UK/US	Belle, Annie, Clarabel, Judy, Lady Hatt, Stephen Hatt, Bridget Hatt, Some Children, The Chubby Little Boy, The Lady in Yellow Dress and Hat, Albert's Wife, Ginger Haired Boy, School Boy, School Girl and The Blonde Haired Boy
	UK	Emily, The Duchess of Boxford and Some Children
Jules de Jongh	US
Matt Wilkinson	UK	Spencer, Cranky, The Duke of Boxford and The Dock Manager
	UK/US	The Bird Watcher (P.A. Problems only)
Glenn Wrage	US	Spencer and Cranky
David Menkin		Porter
Steven Kynman	UK
	UK/US	Paxton and Dart
David Bedella		Victor and The Mayor of Sodor
Bob Golding		Stephen and Sidney
Michael Legge		Luke
Miranda Raison		Millie
Mike Grady		Sir Robert Norramby
Joe Mills		Douglas
Maggie Ollerenshaw		Henrietta
Tim Whitnall		Jerome and Reg
Tom Stourton		Rex, Terence and The Fat Clergyman/Teddy Boston
Rasmus Hardiker		Phillip and Troublesome Trucks (Phillip's Number only)
Tracy-Ann Oberman		Daisy
Lucy Montgomery		Hannah and Carly
Colin McFarlane		Bulgy and Bertie's Driver
Nicola Stapleton		Rosie