Jake and Amy work an uncrackable case while Holt adjusts to a new beat. Hitchcock looks for the love of his life.

Captain Holt deals with a personal loss. Jake must decide whether to take Terry or Charles to an exclusive event.

Doug Judy is back, and this time, things between him and Jake are personal. Meanwhile, Amy and Charles try to find the perfect new vending machine for the Nine-Nine.

Adrian Pimento shows up unexpectedly to seek Jake and Charles’ help after claiming someone is trying to kill him while the rest of the squad endures a workplace conflict seminar.

Competitive juices are flowing as Jake and the squad compete in the second Jimmy Jab Games.

When cocaine and weapons are stolen from the evidence lock-up, the squad must investigate the Nine-Nine itself.

Jake leads a manhunt after an assassination attempt on a city councilor as Holt adjusts to his new position as a uniformed officer.

A new captain at the Nine-Nine attempts to ingratiate herself with Jake and the squad by inviting them over to her house for a dinner party.

Desperate circumstances call for desperate measures, as Jake, Holt, Amy, Terry, Rosa and Charles must ally themselves with old enemies.

When Gina returns to the Nine-Nine, Jake and Terry get drawn into her life. Holt learns that Charles’s son, Nikolaj, may be a genius. Rosa copes with an injury.

In order to distract Terry from the stress of his upcoming lieutenant’s exam, Jake, Holt and the squad decide to hold the annual Halloween Heist on a new date, Cinco…

Jake and Charles investigate a dangerous serial killer. Holt continues to spar with his rival, Commissioner Kelly. Terry finds out about whether or not he has passed the lieutenant’s exam.

Work is so busy for Jake and Amy that they end up celebrating their anniversary while standing guard over a comatose patient in the hospital.

Holt and Jake investigate a case at Kevin’s university. Back at the precinct, Terry and Amy take the squad out for lunch.

Jake and the squad must track down a hacker who has infiltrated the Nine-Nine’s servers; Rosa deals with relationship issues; Hitchcock and Scully attempt to cook the perfect lasagna.

Jake helps Amy navigate the complicated relationship she has with her brother, David. Charles introduces some drama into an undercover mission involving Terry and Holt.

A visitor from Latvia causes Charles and Jake to investigate Nikolaj’s family. Holt and Amy bring in famed forensic scientist Dr. Yee to help close a case for Rosa.

Charles brings Jake into a case when a therapist reports one of his patients missing.

Jake and Rosa must deal with a mother in mourning as they work and rework a crime scene in order to solve a difficult murder case with confusing evidence.

Jake and Holt clash over the merits of a new hire in the 99th precinct. Terry, Amy, Rosa and Charles try to do something about the cluttered bullpen.

Jake and Amy investigate a difficult “he said, she said” case. Holt becomes suspicious after learning his lifelong arch nemesis died in a prison transport accident.

Gina spends time with each member of the squad.

Terry believes the Pontiac Bandit is stealing cars again, but Jake is convinced his friend wouldn’t do that. The rest of the squad fight to keep Shaw’s a police bar…

Jake and Gina attend their 20th high school reunion. Back at the Nine-Nine, Charles helps Rosa with her love life.

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.

Jake and Amy go on their honeymoon. Capt. Holt finds out whether he is the new commissioner of the NYPD.

Rosa and Amy team up to take down their “white whale” suspect – a ruthless killer who has managed to elude them for seven years – while Terry helps Jake…

Jake and Amy’s wedding day is majorly threatened, and Charles and the whole squad rush to help save it. Amidst the chaos, Holt hesitates to open the email that will…

When a fire destroys Charles’ food truck, Pimento unexpectedly shows up to the scene as the insurance agent. Meanwhile, Rosa helps Amy to see that it’s okay to get excited…

Charles plans an elaborate scavenger hunt for Jake’s bachelor party, but the day goes awry when the guys decide to take some short cuts instead. Meanwhile, Amy’s bachelorette party escalates…

When Rosa responds to an active shooter alert, the rest of the squad is forced to stay back, desperately fearing for her safety. Feeling helpless, Jake frantically brainstorms ways to…

Jake and Charles realize that they’ve been suckered into the cult-like NutriBoom pyramid scheme, and must find a way to sever their contracts.

Jake invites his newly discovered half-sister to stay with him in New York, but when he and Amy realize she’s a bit of a nightmare, they must find a way…

Jake is called upon to negotiate a hostage situation with a jewel thief, only to discover that the culprit seems to be a familiar face. Amy and Gina help Charles…

Jake embarks on an all-night long interrogation in order to elicit a confession out of a suspect. But when Captain Holt skips the opera in order to stay back and…

Jake surprises Amy with an investigation into a string of arsons connected to her favorite crossword puzzle author, Vin Stermley. Meanwhile, Gina helps Holt jazz up his Commissioner candidate speech,…

When Seamus Murphy returns to redeem the favor Holt owes him, the precinct searches for a loophole that will allow Holt to uphold his end of the bargain without breaking…

After Seamus threatens Kevin, Holt devises an elaborate plan to hide him in a safe house, with Jake as his guard. Kevin is miserable as the 99 works overtime to…

While the entire precinct attends a funeral in LA, Holt learns that he is in the running to become Chief Commissioner of the NYPD – his dream job. But after…

Rosa begs Jake to help her break some big news to her parents, but her plan is thrown off when they wrongly assume the two are dating.