I am both Sherlock and Watson! I literally sat and stared at this image for a few seconds and deduced that the passcode was 0179 although the door was already open due to the green light.<<This is post is hilarious I loved Watson at the end
"Has anyone else picked up on how in The Student Prince, Morgana had a fluffy white kitten named Mordred? I’m just saying this entire cast has clearly read The Student Prince, okay?" Alexander Vlahos, who plays Mordred on BBC's Merlin.
Jeremy Brett played Holmes in "The Return of Sherlock Holmes" on BBC from "The Casebook of Sherlock Holmes" in a variety of movies in 1992 and and "The Memoirs of Sherlock Holmes" in 1994 with Edward Hardwicke as Watson.