The Grand Expirement
Elementary finale
Directed by John Polson
Written by Robert Doherty & Craig Sweeny
Air date May 15, 2014
Running time 43 Min
Episode chronology
Previous Art in the Blood
Next Season Three

The Grand Experiment is the twenty-fourth and the finale episode of Season two, and the forty-eighth episode of the series. It was written by Robert Doherty & Craig Sweeny, and directed by John Polson. The episode premiered on May 15, 2014.


Rising tension between Sherlock ( Johnny Lee miller) and Watson (Lucy Liu) 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. Rhys Ifans returns as Mycroft Holmes.



Main CastEdit

Recurring CastEdit

Guest CastEdit

  • Naseer Faris as Julian Afkhami.

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