Watch Arrow Season 4 Episode 16 online via TV Fanatic with over 7 options to watch the Arrow S4E16 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 Arrow Season 4 Episode 16, Cupid returns to Star City to kill anyone in love and Felicity and Oliver pose as potential victims to lure her in.