Watch Brooklyn Nine-Nine Season 5 Episode 21 online via TV Fanatic with over 7 options to watch the Brooklyn Nine-Nine S5E21 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, Hulu Plus, and Verizon On Demand.
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On Brooklyn Nine-Nine Season 5 Episode 21, Rosa and Amy team up to take down their "white whale," a killer who has managed to elude them for seven years.