"A Burden of Blood" -- Holmes and Watson investigate a homicide in which the victim was murdered in a manner reminiscent of the crimes of an infamous, and already incarcerated, serial killer. Also, Sherlock and Joan tutor Detective Bell for a police sergeant\'s exam that would lead to a promotion and a post at another precinct, on ELEMENTARY, Thursday, Jan. 14 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Pictured (l-r) Jonny Lee Miller as Sherlock Holmes and Lucy Liu as Joan Watson Photo: Best Possible Screen Grab/CBS ÃÂ© 2015 CBS Broadcasting Inc. All Rights Reserved. | Episode 4.08 - A Burden of Blood | Promotional Episode Photos | Season 4 | Elementary | Gallery

SpoilerTV Image Archive | Gallery | Elementary | Season 4 | Promotional Episode Photos | Episode 4.08 - A Burden of Blood | "A Burden of Blood" -- Holmes and Watson investigate a homicide in which the victim was murdered in a manner reminiscent of the crimes of an infamous, and already incarcerated, serial killer. Also, Sherlock and Joan tutor Detective Bell for a police sergeant\'s exam that would lead to a promotion and a post at another precinct, on ELEMENTARY, Thursday, Jan. 14 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Pictured (l-r) Jonny Lee Miller as Sherlock Holmes and Lucy Liu as Joan Watson Photo: Best Possible Screen Grab/CBS ÃÂ© 2015 CBS Broadcasting Inc. All Rights Reserved.

$"A Burden of Blood" -- Holmes and Watson investigate a homicide in which the victim was murdered in a manner reminiscent of the crimes of an infamous, and already incarcerated, serial killer. Also, Sherlock and Joan tutor Detective Bell for a police sergeant\'s exam that would lead to a promotion and a post at another precinct, on ELEMENTARY, Thursday, Jan. 14 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Pictured (l-r) Jonny Lee Miller as Sherlock Holmes and Lucy Liu as Joan Watson Photo: Best Possible Screen Grab/CBS ÃÂ© 2015 CBS Broadcasting Inc. All Rights Reserved.$