A cop fresh off an undercover stint with the mob has trouble readjusting to precinct life. Boyle's culinary exploits trigger a janitorial standoff.

Jake and Amy volunteer to house-sit for Holt, with disastrous results. The chemistry between Rosa and Pimento heats up.

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.

A whirlwind engagement sends the gang scrambling to throw twin bachelor and bachelorette parties. But the night of revelry takes an unexpected turn.

Pimento and Rosa decide to pick up where they left off and get married, so the whole squad preps a perfect wedding under Amy’s careful direction. Pimento enlists Jake and Gina to hunt for his grandmother’s ruby earrings for Rosa to wear in the ceremony, but the universe has other plans for them.

At Amy's intricately planned Thanksgiving dinner, Jake goes "full Santiago" (binder and all) in order to impress her father, a former cop. With Jake and Amy's focus elsewhere, Charles is left on turkey duty and Holt helps Pimento cope after learning he can no longer work for the NYPD.

Jake and Rosa call for backup from Holt and Pimento after their search for bank robbers turns dangerous. Boyle disapproves of Gina's new boyfriend.

Freed from prison and back on duty, Jake hunts for a sneaker thief under Holt's watchful eye. Meanwhile, Rosa suspects Pimento of infidelity.

A familiar face pops up when disaster strikes Charles's food truck. Rosa offers to help Amy pick out a wedding gown. Holt sets up a Twitter account.

Adrian Pimento resurfaces with a "Finding Dory"-esque memory problem. Jake tries to keep a secret from Boyle. The squad attends a mandatory HR seminar.

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