Liverpool Sound and Vision Rating 9/10
Cast: Anthony Howell, Julian Wadham, Lucy Briggs-Owen, Sam Clemens, Francesca Hunt, Nigel Carrington, Nicholas Briggs, Terry Malloy, Rachel Atkins, Derek Carlyle.
The final instalment of the first volume set of stories produced by Big Finish of The Avengers: The Lost Episodes is the first to be taken out of running order from the television series and yet by the powers of great adaption and original story-telling feels naturally at home as a sequel to the preceding audio drama Square Root of Evil.