Thomas & Friends

Lore & Background

On the Island of Sodor, numerous steam locomotives—referred to as 'engines'—live and work under the ownership of Sir Topham Hatt. Its main characters are members of a group known as the 'Steam Team': Thomas, a cheeky tank engine; Edward, a wise tender engine; Henry, a big and strong engine with a soft side; Gordon, a proud and pompous engine who hauls the island's express train; James, a vain, boastful engine who dislikes getting dirty; Percy, a young and naive saddle tank engine; Toby, an old wooden tram engine; Emily, an often-bossy tender engine; Nia, an intelligent tank engine from Kenya; and Rebecca, who sometimes performs Gordon's work. The show revolves around the lives of the engines working different jobs across the island's railway as they make friendships, engage in and resolve quarrels and rivalries, solve problems, and help one another.

From Books to Broadcast – A Long Road to Sodor

The path from Wilbert Awdry's Railway Series books to a global television franchise was anything but straightforward. The BBC attempted a model-train adaptation as early as 1953, but the live broadcast in June of that year was plagued by derailments and other technical failures, drawing viewer complaints and even a front-page story in the Daily Mail. Nearly two decades later, Andrew Lloyd Webber wrote a television adaptation in 1977, only for it to be cancelled over fears it would be altered for international release; that shelved project would eventually inspire his 1984 Broadway musical Starlight Express.

The breakthrough came in 1978, when film producer Britt Allcroft stumbled upon the books while researching a documentary about the Bluebell Railway. Captivated by the characters and the relationships between them, she spent four years raising production funds, including mortgaging her own home to secure a £50,000 bank loan. A pilot episode, "Down the Mine," was produced in 1983, and the series finally premiered on ITV on 9 October 1984.

Voices Behind the Whistle – Narration and Character Voices

The storytelling voice of Thomas & Friends shifted many times over its long run. Britt Allcroft cast Ringo Starr as the original narrator after hearing his voice and finding it perfect for the role, explicitly noting that his fame as a Beatle had nothing to do with the decision. Starr narrated from the 1984 premiere until 1990, when he stepped away to focus on his music career. In the American dub, George Carlin took over the narration.

Over the years, the series cycled through a remarkable roster of narrators, including Michael Angelis, Alec Baldwin, Michael Brandon, Pierce Brosnan, Mark Moraghan, John Hasler, and Joseph May. For much of its run, the locomotives themselves were silent, relying entirely on the narrator to convey their personalities and dialogue. That changed with the 2009 film Thomas & Friends: Hero of the Rails, which marked the first time the characters received their own individual voice actors, with Ben Small lending his voice to Thomas the Tank Engine. This shift represented a significant departure from the series' long-standing single-narrator tradition.

A Franchise in Motion – Business, Rebrands, and Reboots

The commercial trajectory of Thomas & Friends reflects both its enormous cultural footprint and the turbulence of modern media ownership. Allcroft sold the series and her production company to HIT Entertainment in 2002. Then, in 2011, Mattel acquired HIT Entertainment for US$680 million, with the explicit and sole purpose of obtaining the Thomas & Friends franchise.

Under Mattel's stewardship, the brand underwent a major rebrand in 2017 with Thomas & Friends: Big World! Big Adventures!, which expanded Thomas's travels beyond Sodor to other countries and introduced a fourth-wall-breaking format where he spoke directly to the audience. Two new female locomotives, Rebecca and Nia, joined the main cast; Nia became the series' first African locomotive, designed in collaboration with the United Nations to weave their Sustainable Development Goals into both the new episodes and a 2018 film of the same name.

The franchise also produced a theatrical film, Thomas and the Magic Railroad, in 2000, which underperformed at the box office. A second film is currently in development under director Marc Forster. The original run concluded in January 2021, followed by the reboot Thomas & Friends: All Engines Go (2021–2025), with a second reboot scheduled for late 2026.

Five Hundred Episodes and Counting – Production and Broadcast Legacy

Over the course of 24 series, Thomas & Friends produced more than 500 episodes, a remarkable output that spanned from 1984 to 2021. For the first twelve series, the show was filmed in live action at Shepperton Studios, using radio-controlled models and static figures built to a 1:32 scale, with stop-motion animation employed for certain characters. Traditional animation was introduced as early as series 3, and computer-generated imagery began appearing by series 12 through the work of Nitrogen Studios. In 2009, the production fully transitioned to computer animation, a change that finally allowed the locomotives' faces to move—a visual milestone for a franchise previously defined by its static model expressions.

The series found audiences across a wide array of networks worldwide: ITV, Cartoon Network, Channel 5, Milkshake!, Nick Jr., PBS Kids, and Netflix, among others. In the United States, the show enjoyed an almost three-decade presence on public television, beginning with segments on Shining Time Station in 1989 and continuing through PBS Kids until rights expired at the end of 2017. The first episode, "Thomas and Gordon," drew 8.5 million viewers on its ITV debut.

Reader's Guide

Thomas & Friends premiered on ITV on 9 October 1984. It was initially filmed in live action on model sets from the mid 1980s to the late 2000s, before later using computer animation. Over 500 episodes were produced over the course of 24 series. It featured narration from multiple celebrities and actors, beginning with Ringo Starr.

The series was broadcast on several other television networks until 20 January 2021. A pilot episode titled 'Down the Mine' was produced in 1983. Thomas & Friends was followed by two reboots; the first was Thomas & Friends: All Engines Go, which premiered in 2021 and ended in 2025, and the second is scheduled for late 2026.