The Magic Mousetrap was the one hundred and twentieth story in Big Finish's monthly range. It was written by Matthew Sweet and featured Sylvester McCoy as the Seventh Doctor, Sophie Aldred as Ace and Philip Olivier as Hex.
Originally, this story was meant to feature Agatha Christie during the time of her disappearance in December 1926. These elements were written-out due to The Unicorn and the Wasp providing an alternative take on the same historical events.
Switzerland, 1926: the Doctor finds himself halfway up an Alpine mountainside, on his way to an exclusive sanatorium for the rich and famous run by the Viennese alienist Ludovic "Ludo" Comfort. In between bouts of electric shock therapy, Ludo's patients — including faded music hall turn Harry Randall, chess grandmaster Swapnil Khan and Lola Luna, darling of the Weimar cabaret scene — fill their time with endless rounds of Snap!, among other diversions.
But the Doctor soon suspects that someone's playing an altogether more sinister game. Someone with a score to settle...
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- The Doctor - Sylvester McCoy
- Ace - Sophie Aldred
- Hex - Philip Olivier
- Ludovic Comfort - Paul Antony-Barber
- Lola Luna - Joan Walker
- Swapnil Khan - Nadim Sawalha
- Queenie Glasscock - Nadine Lewington
- Harry Randall - Andrew Fettes
- Herbert Randall - Andrew Dickens
- The Doctor states that the last time that he had a haircut was 1881.
- This story features the first appearance of the Celestial Toymaker in a BBC-licensed audio play. He had appeared earlier in a charity audio version of The Nightmare Fair, and would return again in late 2009 for the official, Big Finish version of the same story. However, this was the first officially-licensed audio story using the Toymaker that was available for public purchase.
- This audio story was recorded at The Moat Studios.
- This audio also included the first episode of The Three Companions "Polly's Story" by Marc Platt.
- The Doctor wears a pair of question mark pyjamas. (PROSE: Question Mark Pyjamas)
- Ace tells Queenie that she knows from personal experience that "burning stuff never resolved anything." (TV: Ghost Light)
- Harry and Lola's song about the Doctor refers to his defeat of the Gods of Ragnarok. (TV: The Greatest Show in the Galaxy)
- The First Doctor visited the Celestial Toyroom, the domain of the Celestial Toymaker, in the company of Steven Taylor and Dodo Chaplet. (TV: The Celestial Toymaker) In the interim, the Doctor encountered the Toymaker in Blackpool in 1986. (AUDIO: The Nightmare Fair) He would later return to the Toyroom in the company of Charley Pollard during his eighth incarnation. (AUDIO: Solitaire)
- It is later revealed that the chess sets in the sanatorium were left there by Fenric. (AUDIO: Gods and Monsters)
- Official The Magic Mousetrap page at bigfinish.com
- DisContinuity for The Magic Mousetrap at Tetrapyriarbus - The DisContinuity Guide