As Jake begins an intense interrogation of a wily dentist suspected of murder, an opera-bound Holt jumps in to assist. Sterling K. Brown guest-stars.

Jake pulls off a major surprise during the squad's annual Halloween heist, a cutthroat competition to claim the coveted title of Amazing Human/Genius.

The squad takes stock of its eight years together and looks toward the future.

When Jake and Amy suffer a wedding day crisis, the Nine-Nine attempts to salvage the nuptials. Holt receives news on his bid for the commissioner job.

Amy takes charge of the Nine-Nine during a citywide blackout, while Jake hits one snag after another as he races to her side.

Jake and Amy go undercover to catch an infamous identity thief, and the squad is rocked by an unexpected farewell.

Mayhem and double-crossing overtake the squad as they try to distract Terry from his lieutenant's exam by kicking off the Halloween Heist on a new day.

For their annual Halloween heist, Jake and Holt draft teams and compete to steal a crown. But Amy's divided loyalties leave her out in the cold.

Jake and the team scour the hospital for a captive Captain Holt, while Amy and Charles book it back to New York to help their friends.

To right a wrong, the Nine-Nine teams up with the worst of the worst of the NYPD. Terry sinks into deep denial about his future.

Jake risks suspension when the commissioner shuts down his investigation of a civic leader and he gets Amy and Holt to help him work the case anyway.

After getting stopped and mistreated by an unfamiliar cop, Terry receives some disappointing advice from Holt about how to handle the profiling.

After Jake and Amy's bet about who can make more arrests is finally settled, the two go on a stakeout where Jake reevaluates their relationship.

For their annual Halloween wager, Jake bets Holt that he can steal his watch before midnight, and Gina gets kicked off her dance squad, Floorgasm.

A last-minute Christmas shopping trip lands Jake, Gina and Charles in the middle of a "Die Hard"-like hostage crisis.

After missing their flight home from a funeral in LA, Jake and the squad scramble to get Holt back to New York in time for a big interview.

Jake and Charles investigate a case of Hitchcock and Scully's from the 1980s. Meanwhile, Amy's uniformed officers and Terry's detectives fight over limited resources.

With help from an old friend of Holt's, the gang sneaks into the FBI to find dirt on the double agent. An inmate puts Charles in an awkward position.

It’s Halloween in the Nine-Nine, which can only mean one thing: heist time. This year, the squad members pull out all the stops in their quest to win the new defending title of “Ultimate Detective Slash Genius.” Lines are drawn and plans are made, but there can only be one reigning champion.

After a threat from Murphy, Holt stashes husband Kevin in a safe house with Jake. Rosa goes undercover at a salon. Scully reveals an actual skill.

When an apparent prank destroys a key piece of evidence, Holt taps the best detective he knows to interrogate the squad and bring the culprit to justice.

Holt turns to Jake for help after a family member goes missing. Rosa battles Amy's ex for a coveted prize. Boyle and Terry team up on a business scheme.

Holt worries Jake is being set up to fail when Wuntch green lights his dream assignment, and Terry hosts a field trip for a magnet school.

When Jake and Rosa find themselves framed for a crime they didn't commit, the squad must cook up an exceptionally creative solution.

Holt risks his career by refusing to let his greatest nemesis have the last word. Boyle and Terry compete for Jake's tickets to an exclusive kid event.