Boyle tries to recover some sensitive cargo held hostage by his ruthless ex-wife. Amy injures Terry at the worst possible moment.

An adorable special delivery reminds Terry of an unsolved case that's haunted him for years. With Jake's help, he sets out to finally crack it.

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.

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.

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

An anxious Nine-Nine awaits news on Rosa after she enters an active shooter situation. Amy and Gina distract themselves by taking on a plumbing issue.

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

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.