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.

After Gina makes a life-changing decision, she bestows a series of gifts on the squad. But first, an interpretive dance ...

Jake investigates a series of car thefts that point to an old frenemy. Meanwhile, the squad defends their favorite bar from interlopers.

Amy and Jake hear conflicting stories as they investigate a sexual assault accusation. Holt refuses to believe an old nemesis is really dead.

A missing person case forces Jake to confront his issues with therapy. Holt invites Rosa and her new girlfriend to dinner. Terry overcompensates.

While celebrating their first anniversary, Jake and Amy realize they've had a communication breakdown over a major life decision.

Gina invites Jake and Terry over to her new place. Holt takes an interest in Nikolaj's education. Rosa rejects Amy's offer of a helping hand.

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.

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 revives the Jimmy Jab Games, with Boyle going full-on P.T. Barnum as host of the competition and Holt's timid new partner reluctantly joining in.

Time flies as Jake and Amy focus on their family plans. Holt bristles over his tedious new job. A tooth-wielding Hitchcock searches for his Cinderella.

The reappearance of Doug Judy lands Jake in hot water. Terry scrambles to replace Holt's treasured keepsake. The Nine-Nine gets a new vending machine.

Jake doubles down on his daddy issues during a tense family reunion. Holt turns into a musical taskmaster over Terry's audition with the NYPD band.

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.

The squad takes up Holt on an offer for a weekend getaway.

Captain Holt and Amy manage an understaffed precinct. Jake and Charles investigate.

When the FBI takes over a high-profile case, Jake keeps digging. Amy and Rosa negotiate with O'Sullivan and the police union.

Amid planning for a vow renewal ceremony, Holt makes a big announcement — one that he asks Jake not to share with Amy. Plus, Cheddar wears a bow tie!

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