Context: The fifth season of the television sitcom Brooklyn Nine-Nine premiered September 26, 2017 on Fox.\n\nQuestion: when is season 5 brooklyn nine nine coming out?
Please answer the following question by reasoning step-by-step.
September 26 , 2017
The relevant sentence in the passage is: The fifth season of the television sitcom Brooklyn Nine-Nine premiered September 26, 2017 on Fox.

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The final answer: September 26 , 2017