Watch Elementary Season 7 Episode 4 online via TV Fanatic with over 6 options to watch the Elementary S7E4 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and Hulu Plus.
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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.