21:15Sherlock HolmesThe Adventures of Sherlock HolmesEpisode 6: The Man With the Twisted LipBBC Radio 4 Extra Duration: 45 minutes Wed 3rd Jul 2013, 21:15 on BBC Radio 4 ExtraTrailing a missing man, the detective enters one of London's vilest opium dens. Stars Clive Merrison and Michael Williams.GenresDramaCrimeBrandSherlock HolmesSeriesSherlock Holmes: The Adventures of Sherlock Holmes Source: BBC Online