When the precinct goes into lockdown on Thanksgiving night, it's up to Jake to keep morale high, even as things spiral out of control.

Terry forces Jake to take time off after he's injured chasing a perp, and Holt and Rosa go on an awkward double date with their significant others.

Jake and Charles whisk Terry away for an ill-fated camping trip, while Holt helps Rosa with a dilemma, and Amy tries to cash in on an old invention.

The squad learns it's dangerously close to being shut down. Jake and Charles go out on one last case that quickly escalates into a major drug bust.

Jake and Terry go undercover at a costume-packed fan convention when their favorite fantasy author reports his much-anticipated manuscript stolen.

Tapped to negotiate a hostage situation, Jake realizes the perp is someone he knows. Meanwhile, tensions flare inside Charles's meatball food truck.

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.

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.

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