The entire squad is on high alert when a massive blackout hits Brooklyn.

Holt asks for Jake's help in a case that is exceptionally meaningful to him. Charles and Terry work together on a side business.

The squad competes in an effort to determine who is the greatest human/genius.

Jake and his father deal with unsettled family business. Amy and Rosa work a high-profile case. Terry wants to join the NYPD band.

When a prank goes disastrously awry, things at the Nine-Nine take a distinctly Agatha Christie turn.

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