Season 2, Episode 24 The Grand Experiment

First Aired: May 15, 2014

Season 2 ends with the relationship between Holmes and Watson coming to a crossroads, but they agree to put their differences aside to help Sherlock's brother Mycroft, who faces accusations of treason and murder.

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Guest Cast

Rhys Ifans Mycroft Holmes

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  • Premiered: September 27, 2012
  • Rating: TV-14
  • Premise: Sherlock Holmes investigates crimes in modern-day New York City as a consultant to the NYPD and is assisted by Joan Watson, a former surgeon, who is hired by Holmes's wealthy father to help keep the eccentric detective sober. (more)

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