Danger Mouse is an animated television series, produced by FremantleMedia and Boulder Media, though it started being produced by Boat Rocker Media in 2018 after they acquired FremantleMedia Kids & Family. The series, which is a revival of the 1981 television series of the same name, revolves around the return of Danger Mouse, the self-proclaimed "World's Greatest Secret Agent", and his hamster sidekick Penfold, who protect the world from a variety of dangers. With help from his boss Colonel K and the genius scientist Professor Squawkencluck, Danger Mouse is equipped to defeat his nemesis, Baron Silas von Greenback.

Plans for a revival of Danger Mouse were first considered in 2013, before being announced the following year, with original series co-creator Brian Cosgrove helping to develop the series.^[2] The main cast were announced in 2014, with more cast members being announced later in the year. The series premiered on CBBC on 28 September 2015, more than 20 years after the end of the show's original run.^[3]

Within three weeks of the series running, Danger Mouse achieved 2.4 million viewers and became the highest rated show on the CBBC channel.^[4] On 19 May 2016, the series was commissioned for a second series^[5] and on 4 April 2017, for a third series of 26 episodes.^[6]

Danger Mouse won the Best Sound Design and Best Music awards at the 2017 and 2019 Irish Animation Awards.^[7][8] Aidan McAteer also picked up the award for 'Best Director' at the 2019 awards.^[8]

In 2013, FremantleMedia confirmed to Broadcast that an updated version of the series was being considered,^[9][10] and in June 2014 it was announced that a new series consisting of 52 episodes; was being made for broadcast on CBBC in 2015.^[11] The series is produced by Boulder Media for Boat Rocker Media, who acquired FremantleMedia's kids and family entertainment business in January 2018.^[12]

It is directed by Robert Cullen,^[13] with Brian Cosgrove, one of the original creators, as a creative consultant.^[14] Alexander Armstrong and Kevin Eldon voice Danger Mouse and Penfold, Dave Lamb takes the role of the narrator, whilst Stephen Fry and Ed Gaughan take on the roles of Colonel K and Baron Greenback respectively.^[15] Armstrong's Pointless co-host Richard Osman also appears in the series as Professor Strontium Jellyfishowitz.^[16] It was also announced that John Oliver would voice Dr Augustus P. Crumhorn IV and Lena Headey would voice new character Jeopardy Mouse.^[17] According to Eldon, the animation style is 'much the same as the original'.^[18] The series is animated in Toon Boom Harmony, as the animators thought that Flash was too limited.^[19]

The series was picked up by Netflix in several countries, including the United States.^[20] In August 2019, CBS All Access acquired the US streaming rights to the series.^[21]

Danger Mouse (voiced by Alexander Armstrong) is the main protagonist and title character, Danger Mouse is the world's greatest secret agent. Supremely confident in his abilities, Danger Mouse can be narcissistic, which sometimes leads him to take actions that create risky situations.

Ernest Penfold (voiced by Kevin Eldon) is a timid and neurotic hamster who works as Danger Mouse's assistant and is his best friend.

Colonel K (voiced by Stephen Fry) is a chinchilla who serves as Danger Mouse and Penfold's boss. His beard and moustache is a sentient lifeform and now and then detaches itself from his face.

Professor Squawkencluck (voiced by Shauna Macdonald) is a chicken who is head scientist of the secret service.

Baron Silas von Greenback (voiced by Ed Gaughan) is the main antagonist, a criminal mastermind and Danger Mouse's archenemy.

Nero (vocal effects by Marc Silk) is Greenback's pet fluffy white caterpillar, whose intelligence and duplicity is often underestimated.

Stiletto Mafiosa (voiced by Dave Lamb) is Greenback's dim-witted Italian crow sidekick.

The Narrator (voiced by Dave Lamb), as with the original series, an unseen character, frequently breaks the fourth wall, interacting with both the viewer and the other characters and often finds himself in danger from the episode's antagonist.

The first DVD of the series was released on 2 November 2015.^[22] The whole of series 1 has been released across 6 DVDs, with 1 being released in 2015, 2 in 2016 and 3 in 2017. All 2015 episodes have been released for digital download through Amazon and other services.