Mark Gatiss' 2013 episode looks like being something very special indeed - if the guest cast is anything to go by.
DWM 449 confirmed the marvellous David Warner (Sci-Fi connections have included the villain in "Time Bandits", the villain in the original "Tron", an alternative Doctor in a BF audio, and 3 different roles in the Star Trek Universe - a human ambassador, the Klingon Chancellor, and a Cardassian officer).
He is joined by Liam Cunningham ("Dog Soldiers", "Game of Thrones" and the remade "Clash of the Titans" as well as the rather po-faced BBC "Outcasts").
News now comes in that Mrs Emma Peel herself - Dame Diana Rigg - and her daughter Rachael Stirling have joined the cast. This is the first time they have been on the box together.
The story itself has a historical setting.