Brooklyn Nine-Nine: Season 3, Episode 17

3 - 17: Adrian Pimento

When an unstable detective (guest star Jason Mantzoukas) returns to the Nine-Nine after years undercover, Jake doesn't know what to make of him. Meanwhile, Charles' rebellious behavior pits him against the precinct's custodian, and Holt enlists Gina's help in directing a "fun and informational" video starring himself and Rosa.