They work underneath Scotland Yard on Baker Street in London, hidden inside a red pillar box.

Their arch-enemies are Baron Silas Greenback and his criminal organization, who try to achieve world domination by unconventional means such as stealing all famous buildings, or creating giant robots, etc.

A special role is played by the off-screen narrator, Isambard Sinclair, who accompanies the action by commenting on it sarcastically, talking to the characters or musing about his private life.

"[15] In an interview with The Guardian, Cosgrove said "We reckoned a secret service mouse foiling the plans of an evil toad – Baron Silas Greenback – was suitably ridiculous.

"[4] Cosgrove and Hall brought in Brian Trueman, who was working as an announcer on Granada TV, as the main writer.

[17] It was often compared to American audiences as a British equivalent of The Rocky and Bullwinkle Show, due to its gentle satire of politics and outrageous plots.

[22] In 2008 it was named the 62nd-best animated series by IGN, who considered it one of the first British cartoons to become popular with American audiences.

Allan and Ranson's work was highly appreciated by Cosgrove Hall, and the pair were awarded an "Oh Goodness!, Oh Crikey!"

During its run, the show spawned a wide range of merchandise, including storybooks, hardback annuals, jigsaw puzzles, a Panini sticker album, View-Master reels, and of course, VHS releases.

In the years since, products have continued to sell, often aimed at the now-adult audience which grew up with it, such as T-shirts, mugs, key rings, fridge magnets and posters.

FremantleMedia launched a webshop run by Metrostar e-commerce where a wide variety of goods were for sale, including the CD Audio adaptation of two of the show's episodes using the original artists voices, released by Steve Deakin-Davies: The Ambition Company.

It is directed by Robert Cullen[33] with Brian Cosgrove, one of the original creators, acting as creative consultant.

[34] Alexander Armstrong and actor Kevin Eldon voice Danger Mouse and Penfold, respectively; Dave Lamb takes the role of the narrator, whilst Stephen Fry plays Colonel K and Ed Gaughan takes over as Baron Greenback.

[35] Armstrong's Pointless co-host Richard Osman appears in the series as Professor Strontium Jellyfishowitz.