Brooklyn Nine-Nine is an American police procedural comedy television series which ran for five seasons on Fox and three on NBC. It was created by Dan Goor and Michael Schur. It follows a team of detectives and a police captain in the 99th Precinct of the New York City Police Department in Brooklyn.

The series stars Andy Samberg, Andre Braugher, Stephanie Beatriz, Terry Crews, Melissa Fumero, Joe Lo Truglio, and Chelsea Peretti. Peretti departed the series in the fourth episode of the sixth season. The following episode, Dirk Blocker and Joel McKinnon Miller, who had previously recurred, were promoted to series regulars.

Over the course of its run, Brooklyn Nine-Nine aired 153 episodes. The series was ordered by Fox in May of 2013. The first season aired on Fox from September 17, 2013 through March 25, 2014. Before the conclusion of the first season Fox ordered a second season. The season aired from September 28 through May 17, 2015. During the course of the second season it was renewed for a third season, which began airing on September 27 and ended on April 19, 2016. In March 2016, the series was renewed for another season. The fourth season began airing on September 20 and concluded on May 23, 2017. In May 2017, the series was renewed for a fifth season. The fifth season began airing on September 26 and concluded on May 20, 2018.

On May 13, Fox canceled the series; the following day, NBC picked up the series. The sixth season began on January 10, 2019 and concluded on May 16. NBC renewed it for a seventh season in February 2019. Three months later NBC gave a ten-episode final season order. The seventh season began on February 6, 2020 and ended on April 23. The eighth and final season aired from August 12, 2021 through September 16.