As Sherlock reels at the reappearance of his former lover, Irene Adler, a series of flashbacks unravel the tumultuous events that led to his downfall into addiction. Meanwhile, he and Joan … As Sherlock reels at the reappearance of his former lover, Irene Adler, a series of flashbacks unravel the tumultuous events that led to his downfall into addiction. Meanwhile, he and Joan once again find themselves in the crosshairs of the enigmatic Moriarty, on the two-hour season finale of ELEMENTARY, on Thursday, May 16 (9:01-11:00 PM, ET/PT) on the CBS Television Network.

Airdate: 05/16/2013