Elementary S3E19 poster

Watch Elementary – Season 3 Episode 19: One Watson, One Holmes

Elementary • Season 3, Episode 19 • 43 min • 2012 • ⭐ 7.6/10 • Crime , Drama , Mystery

Cast: Jonny Lee Miller , Lucy Liu , Jon Michael Hill , Aidan Quinn

Directors: Robert Doherty

Watch Elementary – S3E19

Episode Overview

Holmes and Watson find themselves in the middle of a civil war being fought on the Internet when a member of Everyone, the anonymous hacker group they periodically work with, is murdered.

Episode Navigation

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