Watch Elementary Season 7 Episode 4 online via TV Fanatic with over 7 options to watch the Elementary S7E4 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, Hulu Plus, and CBS All Access (Via Amazon Prime).
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On Elementary Season 7 Episode 4, an explosion at a traffic stop puts Sherlock and Joan on two separate investigations as they determine the motivation behind the attack.