Regarded by many to be the best incarnation of the Baker Street sleuth, Douglas Wilmer gives a career-defining performance in this celebrated BBC series. Out now on Region 2 BFI DVD, the set includes all 13 original episodes, commentaries and a wealth of additional material. To celebrate the release – the first time the series has been made available in the UK – we have a copy to give away. For your chance to win, simply answer the following question:

In which year did Douglas Wilmer first portray Sherlock Holmes on screen?

A) 1962

B) 1964

C) 1966

Please send your answer to alex.prideaux@bfi.org.uk by Friday 10 April. Winners will be notified via email.

For more information on the box set please click here.