Watch Elementary Season 1 Episode 21 online via TV Fanatic with over 6 options to watch the Elementary S1E21 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Hulu Plus.
|YouTube Purchase||Watch Now|
|Google Play||Watch Now|
|Hulu Plus||Watch Now|
Sherlock deals with a person claiming to be Moriarty and his former lover Irene Adler on Elementary.