Suicide Squad – Desperate circumstances call for desperate measures, as Jake, Holt, Amy, Terry, Rosa and Charles must ally themselves with old enemies.
Cinco de Mayo – Jake, Holt and the squad decide to hold the annual Halloween Heist on a new date, Cinco de Mayo, in order to distract Terry from the stress of his upcoming lieutenant’s exam.
Return of the King – When Gina returns to the Nine Nine, Jake and Terry get drawn into her life. Holt learns that Charles’s son, Nikolaj, may be a genius. Rosa copes with an injury.
Ticking Clocks – Jake and the squad must track down a hacker who has infiltrated the Nine Nine’s servers. Rosa deals with relationship issues. Hitchcock and Scully attempt to cook the perfect lasagna.
The Bimbo – Holt and Jake investigate a case at Kevin’s university. Back at the precinct, Terry and Amy take the squad out for lunch.
Casecation – Work is so busy for Jake and Amy that they celebrate their anniversary while standing guard over a comatose patient in the hospital.
Four Movements – Gina spends time with each member of the squad.