WHEN SHERLOCK’S BROTHER FACES TREASON AND MURDER CHARGES, A GROWING RIFT BETWEEN SHERLOCK AND WATSON THREATENS TO COMPROMISE ONE OF THE MOST IMPORTANT CASES OF THEIR PARTNERSHIP, ON THE SEASON FINALE OF “ELEMENTARY,” THURSDAY, MAY 15 Rhys Ifans Returns as Mycroft Holmes “The Grand Experiment” – Rising tension between Sherlock and Watson bring their partnership to a crossroads, but they endeavor to put their differences aside while they help Sherlock’s brother, Mycroft, who faces accusations of treason and murder, on the season finale of ELEMENTARY, Thursday, May 15 (10:01-11:00 PM, ET/PT) on the CBS Television Network. Rhys Ifans returns as Mycroft Holmes. CHEAT TWEET: Sherlock & Joan help Mycroft Holmes who’s charged with treason & murder! #Elementary SEASON FINALE! 5/15 10:01pm @CBS http://bit.ly/RlsbcS SERIES REGULARS: Jonny Lee Miller (Sherlock Holmes) Lucy Liu (Joan Watson) Aidan Quinn (Captain Tommy Gregson) Jon Michael Hill (Detective Marcus Bell) RECURRI...