As of July 2026, Thomas & Friends: All Engines Go! Season 4 aired in 2025 with 26 episodes — streaming now on Amazon Prime Video. Full episode guide and where to watch below.
Thomas & Friends: All Engines Go! Season 4 poster
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Thomas & Friends: All Engines Go! Season 4

2025 26 Episodes Animation · Kids ⭐ 6/10

If you want animation that is not just for kids, Thomas & Friends: All Engines Go! Season 4 is available on and right now. A single, tightly-focused season means there is plenty to get through without ever feeling padded. With 9 viewer ratings on TMDB, this is not a title flying under the radar. The visual style is immediately recognisable, but the writing is what keeps you watching. Put it on tonight and see for yourself.

Thomas & Friends: All Engines Go! Season 4 arrived without much fanfare and built its audience the hard way — through word of mouth. Visually distinctive and narratively ambitious, Thomas & Friends: All Engines Go! Season 4 operates well above the genre average. Season 4 of Thomas & Friends: All Engines Go! Includes 26 episodes. It aired from January 2025 to May 2025. Kai Harris leads a cast that brings real weight to the material. It was aired in 2025. Thomas & Friends: All Engines Go! Season 4 uses the freedom of animation to tell stories live-action could not attempt. It delivers reliably on what it promises, which is more than most of its competition manages.

Animation fans will appreciate the craft, but Thomas & Friends: All Engines Go! Season 4 works for viewers who do not typically seek out animation too. It rewards viewers regardless of what else is in their watch history. A contained run means every episode is doing real work. Kai Harris's voice work is a big part of what makes it distinctive. If you have been sleeping on it because of the format, the format is not the thing here.

📡 Where to Watch Thomas & Friends: All Engines Go! Season 4

🇦🇺 Australia
🇺🇸 United States
🇬🇧 United Kingdom
🇨🇦 Canada
🇳🇿 New Zealand
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🎬 Thomas & Friends: All Engines Go! Season 4 — Episode Guide

E1
Sheep Stampede
2025-01-27
Diesel tells Nia that using her special whistle to find Farmer McColl's sheep isn't fair. So she tries not to use it, even though it is the only thing that can save the delivery.
E2
The Berry Best
2025-01-28
Thomas goes too far when taking 'just a few' strawberries again and again uses up all the fruit in Farmer McColl's field.
E3
Creepy Crawly Courage
2025-01-29
Yong Bao's fear of creepy crawlies and Carly's disgust for skunks complicate their apple delivery to the Harvest Festival.
E4
Windmill Woes
2025-01-30
After Thomas, Percy and Diesel accidentally break a windmill, they all tell Gordon different versions of what happened. Can Gordon uncover the truth?
E5
Quacking Quandary
2025-01-31
When Diesel hears a strange noise that sounds like a swamp monster, he gets too scared to pull deliveries through the area. Bruno and Percy must help conquer his fear.
E6
The Stinking Delivery
2025-02-03
None of the engines want to take a super stinky compost delivery, so they make a 'hide & stink' game. But after a spill, they must work together to deliver the smelly mess.
E7
Don't Train on My Parade
2025-02-04
When Sir Topham Hatt's springtime parade floral float is destroyed before delivery, Thomas and the engines find the spring in Sodor to save the parade.
E8
Shiny Spiffy Sandy
2025-02-05
After the engines decide to show their best-selves by staying clean and sparkling for the Tidmouth Sheds open house, they are confronted by a sinkhole ruining the tracks.
E9
Diesel's Bad Day
2025-02-06
When Diesel's bad behavior threatens to ruin a big delivery, Bruno figures out why his friend is upset and how to help.
E10
Moo-ving Friendship
2025-02-07
When Diesel is tasked with chauffeuring a prize-winning cow to a competition, he makes an unlikely friend and shows her that there's more to life than winning.
E11
Art Engines Go!
2025-02-10
Kana delivers a beloved sculpture, inspiring her to make her own art. She soon learns that everyone sees art very differently.
E12
Lightening the Load
2025-02-11
On a hectic day, Nia volunteers to deliver a missed shipment of a new light for the lighthouse. But she soon finds herself too embarrassed to admit the delivery has been anything but light.
E13
Baaa-tastrophe!
2025-02-12
When Thomas' delivery of sheep goes badly, he worries that Annie and Clarabel will think he is not good at his job.
E14
Terence Time Out
2025-05-11
When Thomas and Diesel are tasked with moving multiple heavy loads to the lighthouse, they find that all the heavy lifting, sharp rocks and jagged logs leave them feeling beat up.
E15
Postage Percy
2025-05-11
When Sir Topham Hatt wants to create a new stamp for Sodor, Percy is determined to help discover what the image should be.
E16
A Crate Rescue
2025-05-11
When Diesel accidentally drops a wrench, he doesn't think twice to discard it where no one can see it -- until he drops and then loses his day's delivery in the water, which is overloaded with junk!
E17
Chaos at Cronk's Crossing
2025-05-11
When the traffic problems become too intense at Cronk's Crossing, Sir Topham Hatt decides that the entire intersection needs to be torn out and replaced.
E18
The Big Do-Over
2025-05-11
Thomas and Friends try to get the supplies to the site and get construction under way.
E19
Did I Miss It?
2025-05-11
Thomas desperately wants to watch the four curves of the cloverleaf go in. But as he goes through the day, circumstances make it that he misses the first three.
E20
No More Surprises
2025-05-11
When Percy is upset to find that the big construction project is not yet finished, Thomas sets out to help him through the last phases of the work with no more surprises.

🎭 Cast of Thomas & Friends: All Engines Go! Season 4

Kai Harris
Kai Harris
Thomas (voice)

📋 All Seasons of Thomas & Friends: All Engines Go!

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