She went on to create a succession of programmes for the BBC and ITV during the 1970s and 1980s, including Moon Clue Game, Dance Crazy and Keepsakes.

She told him that she wanted to bring these stories to life and made an arrangement to secure certain rights through his then-publishers Kaye & Ward.

The first two episodes of Thomas the Tank Engine & Friends were aired together for the first time on British television on 9 October 1984, with narration by Ringo Starr and music by Mike O'Donnell and Junior Campbell.

In 1989, she and American producer Rick Siggelkow created Shining Time Station, a live-action children's sitcom fronted by the magical character of the miniature Mr.

Shining Time Station won a number of awards and significantly increased the popularity of the Thomas media franchise in the US.

In 1994, Allcroft followed Thomas the Tank Engine & Friends and Shining Time Station with the cartoon-animated Magic Adventures of Mumfie, in collaboration with director John Collins.

[11] In 2008, several years after she left her original company, Allcroft revived the Mumfie library, and a reboot series eventually aired in 2021.

The poor box-office performance of the film caused Allcroft to resign as deputy chairwoman of her company in September 2000.