Elementary Season 2 Episode 21 2013
7.7IMDB

Elementary Season 2 Episode 21: When Sherlock’s brother Mycroft makes a surprise return to New York, his motivations cause discord between Sherlock and Joan. Meanwhile, a missing person case takes Sherlock and Joan inside the world of unmanned aeronautics.
- Aired:Apr 24, 2014
- Seasons:7 · Episodes:154
- Country:United States of America
- Created by: Robert Doherty
- Network:CBS







































