ITV3 Sherlock Holmes Catch up on the ITV Hub Sherlock Holmes is one of the world's greatest and most popular fictional detectives. His acute perception and powers of observation are called upon in solving a compendium of crime. As ever, Dr Watson is on hand as his indispensable assistant. 3 episodes available to watch Share this programme: Share on Facebook Share on Twitter Share on Google+ Series 2 8. The Sign of Four Sat Saturday 11 Feb 9.25am A young woman receives a summons to meet her mysterious benefactor. Other episodes The Eligible Bachelor Sat Saturday 28 Jan 9.40am Holmes uses his powers to solve a mystery involving a veiled lady and a man's marriage. The Master Blackmailer Sun Sunday 12 Feb 10.35am Holmes takes a menial role to flush out reclusive blackmailer.