Lucas from "The Adventure of the Second Stain", and the gang's work is economic sabotage by the German Empire. Upon hearing the details, Mycroft Holmes decides to balance the damage by producing an equal amount of counterfeit German currency. An episode of the animated television series Sherlock Holmes in the 22nd Century was based on the story. The episode, also titled "The Adventure of the Engineer's Thumb", aired in 2001. Radio Edith Meiser adapted the story as an episode of the radio series The Adventures of Sherlock Holmes, which aired on 17 December 1931, starring Richard Gordon as Sherlock Holmes and Leigh Lovell as Dr. Watson. Another episode adapted from the story aired on 24 February 1935 (with Louis Hector as Holmes and Lovell as Watson). Edith Meiser also adapted the story as an episode of the radio series The New Adventures of Sherlock Holmes, with Basil Rathbone as Holmes and Nigel Bruce as Watson, that aired on 20 October 1940. Other episodes in the same series that were adapted from the story aired in June 1943 and January 1948 (with John Stanley as Holmes and Alfred Shirley as Watson). A radio adaptation aired on the BBC Light Programme in 1960, as part of the 1952–1969 radio series starring Carleton Hobbs as Holmes and Norman Shelley as Watson. It was adapted by Michael Hardwick. "The Engineer's Thumb" was dramatized by Peter Mackie for BBC Radio 4 in 1991, as part of the 1989–1998 radio series starring Clive Merrison as Holmes and Michael Williams as Watson. It featured John Moffatt as Lysander Stark. The story was adapted as an episode of the radio series The Classic Adventures of Sherlock Holmes, starring John Patrick Lowrie as Holmes and Lawrence Albert as Watson. The episode aired in 2015. References Notes Sources External links Engineer's Thumb, The Adventure of the 1892 short stories Works originally published in The Strand Magazine Fiction set in 1889