Template:Infobox episode custom
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.
Storyline
Plot Synopsis
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.
Cast
Main
- Jonny Lee Miller as Sherlock Holmes
- Lucy Liu as Joan Watson
- Jon Michael Hill as Marcus Bell
- Aidan Quinn as Tommy Gregson
Guest
- Rhys Ifans as Mycroft Holmes
- Ralph Brown as Tim Sherrington
- Jim Norton as Sir James Walter
- Naseer Faris as Julian Afkhami