Watch The Flash Season 3 Episode 1 online via TV Fanatic with over 7 options to watch the The Flash S3E1 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, Netflix, YouTube Purchase, Google Play, and Verizon On Demand.
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On The Flash Season 3 Episode 1, Barry is living happily with his parents, but discovers he is to blame for the changes and not Eobard Thawne.