Tags: Elementary Season 4

‘Elementary’ Season 4 Episode 17 will air on March 20 after CBS moved the schedule. Sherlock and Joan investigate the death of a vigilante.

Lead actor Jonny Lee Miller discussed some details about Sherlock Holmes and Dr. Joan Watson's relationship in 'Elementary' Season 4. Also, CBS has released the plot synopsis of episode 17 and last week's episode 16 is recapped here.

‘Elementary’ season 4 episode 15 will see Holmes and Watson investigate a socialite killer. Joan accidentally intrudes some private life.