Even after Commissioner Podalski shuts down Jake's investigation into a philanthropic civic leader, Jake continues anyway by turning to Amy and Captain Holt for help in gathering evidence. Meanwhile, Charles' problems with his fiancée cause Gina to find a way to cheer him up.moreless
On his weekend off and with Terry's help, Jake tries to crack a cold case that everyone thinks is unsolvable. Meanwhile, Amy plans a romantic trip with Teddy, and Charles learns a secret from Gina and Rosa.moreless
Charles asks Jake to be the best man at his wedding. Meanwhile, Terry, Amy and Gina start a new extreme diet, and Captain Holt assists Rosa in making a sincere apology.
The precinct attends a mandatory training course where Amy runs into an officer she used to date. Meanwhile, Captain Holt is unable to quit playing a game on his phone, and Rosa is angry at Charles for not inviting her to his wedding.moreless
Jake risks losing his apartment due to crushing debt unless Gina can help out. Meanwhile, Captain Holt and Terry conduct performance reviews, and Rosa and Charles run into a weekend squad officer.
Charles pursues a new romance, but Jake steps in to keep him from moving too fast. Meanwhile, Rosa and Amy deal with a costumed crime fighter, and Captain Holt goes up against a new opponent.moreless
Invited to Captain Holt's house to celebrate his birthday, the precinct ends up making a bad first impression on his husband.
Jake is shocked to learn that Amy might leave the Nine-Nine to work at the Special Crimes unit with his nemesis "The Vulture." Meanwhile, Terry and Captain Holt attempt to make the workplace more efficient.moreless
Terry returns to the field with Jake trying to keep the sergeant's emotions under control. Meanwhile, Amy and Rosa investigate a case at Gina's apartment.
Jake and Amy finally reach the end of their ongoing bet about who can make more arrests. Meanwhile, Charles reveals what he truly thinks about his colleagues while under the influence of pain medication.moreless
One of Rosa's perps has information on an elusive car thief that Jake has been tracking for years. Meanwhile, the precinct tries to accommodate a scooter-bound Charles, and Captain Holt attempts to find a home for two puppies.
Jake is put in charge of Captain Holt's security after he receives death threats. Meanwhile, Amy tries to get the precinct to take a Christmas photo, and Terry goes in for his final psych evaluation.moreless
Amy's plans to host a Thanksgiving dinner at the precinct go awry when Captain Holt and Jake leave to catch a perp.