The Cruise: Peralta and Santiago set off on their first real holiday together. Gina and Jeffords help Captain Holt to survive a visit from his sister Debbie. (S3 Ep13) [AD,S]
Karen Peralta: On his birthday, Peralta takes Santiago to meet his mother. Diaz and Boyle struggle to deal with a new mandate on body cams during a stakeout. (S3 Ep14) [AD,S]
The Big House (Part 1/2): Adjusting to life behind bars, Peralta bonds with a cellmate and is forced to join a prison gang, while Diaz puts her visitors to the test. (S5 Ep1) [AD,S]
The Big House (Part 2/2): Peralta is trapped by divided loyalties after the warden persuades him to investigate prison gang leader Romero's drug smuggling operation. (S5 Ep2) [AD,S]
The Big House (Part 1/2): Adjusting to life behind bars, Peralta bonds with a cellmate and is forced to join a prison gang, while Diaz puts her visitors to the test. (S5 Ep1) [AD,S]
The Big House (Part 2/2): Peralta is trapped by divided loyalties after the warden persuades him to investigate prison gang leader Romero's drug smuggling operation. (S5 Ep2) [AD,S]
New Captain: After Holt is transferred to the NYPD Department of Public Relations, the arrival of a new captain causes chaos at the precinct. (S3 Ep1) [AD,S]
The Funeral: Another personnel change at the precinct puts Peralta and Santiago's budding relationship at risk. Meanwhile, Boyle is attracted to a fellow officer. (S3 Ep2) [AD,S]
The 9-8: Peralta is reunited with his old partner when the Nine-Nine have to host officers from the Nine-Eight precinct because of a flood. (S3 Ep15) [AD,S]
House Mouses: Peralta insults Hitchcock and Scully's work ethic, so they try to get involved in a dangerous investigation in an attempt to prove themselves. (S3 Ep16) [AD,S]
Adrian Pimento: The precinct gets a new detective who's been undercover in the mob for 12 years. Gina directs a video for Captain Holt. (S3 Ep17) [AD,S]
The 9-8: Peralta is reunited with his old partner when the Nine-Nine have to host officers from the Nine-Eight precinct because of a flood. (S3 Ep15) [AD,S]
House Mouses: Peralta insults Hitchcock and Scully's work ethic, so they try to get involved in a dangerous investigation in an attempt to prove themselves. (S3 Ep16) [AD,S]
Adrian Pimento: The precinct gets a new detective who's been undercover in the mob for 12 years. Gina directs a video for Captain Holt. (S3 Ep17) [AD,S]
HalloVeen: The squad embark on their fifth annual Halloween Heist. Everybody has a plan, no one is safe, and relationships and friendships are sorely tested. (S5 Ep4) [AD,S]
HalloVeen: The squad embark on their fifth annual Halloween Heist. Everybody has a plan, no one is safe, and relationships and friendships are sorely tested. (S5 Ep4) [AD,S]
Boyle's Hunch: Peralta thinks Boyle might have found his soulmate in art gallery owner Genevieve. Diaz deals with a case of theft in the precinct building. (S3 Ep3) [AD,S]
The Oolong Slayer: Peralta enlists Captain Holt's help while investigating a serial killer. Diaz and Santiago are forced to deal with The Vulture's demands. (S3 Ep4) [AD,S]
Cheddar: Santiago and Peralta house-sit for Captain Holt when he visits Kevin in Paris, and mayhem ensues when Holt's beloved dog goes missing on their watch. (S3 Ep18) [AD,S]
Terry Kitties: Jeffords enlists Peralta's help to solve a case from his past. Santiago invites herself to a competitive training exercise with Holt and Diaz. (S3 Ep19) [AD,S]
Greg and Larry: The squad drop everything when they realise that Holt is in danger as the search for Pimento's hitman takes an unexpected turn. (S3 Ep23) [AD,S]
Cheddar: Santiago and Peralta house-sit for Captain Holt when he visits Kevin in Paris, and mayhem ensues when Holt's beloved dog goes missing on their watch. (S3 Ep18) [AD,S]
Terry Kitties: Jeffords enlists Peralta's help to solve a case from his past. Santiago invites herself to a competitive training exercise with Holt and Diaz. (S3 Ep19) [AD,S]
Greg and Larry: The squad drop everything when they realise that Holt is in danger as the search for Pimento's hitman takes an unexpected turn. (S3 Ep23) [AD,S]
Bad Beat: Peralta and Jeffords go undercover at an illegal gambling club to track down an arms dealer. Hitchcock and Scully have an unusual challenge for Diaz. (S5 Ep5) [AD,S]
The Venue: The Vulture makes an unwelcome return to Peralta and Santiago's lives. Boyle and Diaz must track down kidnapped NYPD horse Sergeant Peanut Butter. (S5 Ep6) [AD,S]
Bad Beat: Peralta and Jeffords go undercover at an illegal gambling club to track down an arms dealer. Hitchcock and Scully have an unusual challenge for Diaz. (S5 Ep5) [AD,S]
The Venue: The Vulture makes an unwelcome return to Peralta and Santiago's lives. Boyle and Diaz must track down kidnapped NYPD horse Sergeant Peanut Butter. (S5 Ep6) [AD,S]
Halloween III: The third instalment of Peralta and Holt's 'Halloween heist' involves a tie-breaking contest to be crowned Amazing Detective Slash Genius. (S3 Ep5) [AD,S]
Into the Woods: Peralta and Boyle persuade Jeffords to join them on a weekend trip to a cabin in the woods, but it isn't the fun excursion they'd hoped for. (S3 Ep6) [AD,S]
Coral Palms (Part 1/3): Peralta and Holt adjust to their lives in the Witness Protection Programme while crime boss Jimmy 'The Butcher' Figgis is still at large. (S4 Ep1) [AD,S]
Coral Palms (Part 2/3): Jimmy Figgis sees Peralta and Holt's video and comes looking for them. A new captain takes over the precinct, but is he up to the job? (S4 Ep2) [AD,S]
Coral Palms (Part 1/3): Peralta and Holt adjust to their lives in the Witness Protection Programme while crime boss Jimmy 'The Butcher' Figgis is still at large. (S4 Ep1) [AD,S]
Coral Palms (Part 2/3): Jimmy Figgis sees Peralta and Holt's video and comes looking for them. A new captain takes over the precinct, but is he up to the job? (S4 Ep2) [AD,S]
Two Turkeys: Peralta and Santiago try to get their parents to bond over Thanksgiving dinner. Captain Holt and Kevin's special pie is stolen from Holt's office. (S5 Ep7) [AD,S]
Return to Skyfire: Jeffords and Peralta ask Diaz to go undercover with them at a fantasy fiction convention to find out who stole an author's manuscript. (S5 Ep8) [AD,S]
Two Turkeys: Peralta and Santiago try to get their parents to bond over Thanksgiving dinner. Captain Holt and Kevin's special pie is stolen from Holt's office. (S5 Ep7) [AD,S]
Return to Skyfire: Jeffords and Peralta ask Diaz to go undercover with them at a fantasy fiction convention to find out who stole an author's manuscript. (S5 Ep8) [AD,S]
The Mattress: Peralta and Santiago convince Captain Holt to let them work together on a case involving a new street drug, but their romance gets in the way. (S3 Ep7) [AD,S]
Ava: Jeffords asks Peralta to take care of his pregnant wife when she drops by at the precinct while he and Diaz are out investigating a murder case. (S3 Ep8) [AD,S]
Coral Palms (Part 3/3): The team go on a road trip to help Peralta and Holt take down crime boss Jimmy Figgis, but their plan is hindered by an unforeseen injury. (S4 Ep3) [AD,S]
The Night Shift: Holt looks for ways to improve the team's morale, while Santiago is filled with curiosity when Diaz starts to take long breaks from her desk. (S4 Ep4) [AD,S]
Coral Palms (Part 3/3): The team go on a road trip to help Peralta and Holt take down crime boss Jimmy Figgis, but their plan is hindered by an unforeseen injury. (S4 Ep3) [AD,S]
The Night Shift: Holt looks for ways to improve the team's morale, while Santiago is filled with curiosity when Diaz starts to take long breaks from her desk. (S4 Ep4) [AD,S]
99: The squad go to a funeral in LA, where Holt hears that he's in the running for his dream job: NYPD Commissioner. Meanwhile, Boyle pries into Diaz's personal life. (S5 Ep9) [AD,S]
Game Night: Diaz begs Peralta to help her break some big news to her parents, but Mr and Mrs Diaz jump to the wrong conclusion. Meanwhile, the squad have internet problems. (S5 Ep10) [AD,S]
99: The squad go to a funeral in LA, where Holt hears that he's in the running for his dream job: NYPD Commissioner. Meanwhile, Boyle pries into Diaz's personal life. (S5 Ep9) [AD,S]
Game Night: Diaz begs Peralta to help her break some big news to her parents, but Mr and Mrs Diaz jump to the wrong conclusion. Meanwhile, the squad have internet problems. (S5 Ep10) [AD,S]
The Swedes: Santiago and Jeffords help Gina to prepare for an exam. Peralta and Diaz work with two Swedish detectives on an international jewel theft case. (S3 Ep9) [AD,S]
Yippie Kayak: Peralta, Boyle and Gina get involved in a hostage situation while they're shopping on Christmas Eve. Santiago tries to prove that she's as tough as Holt and Diaz. (S3 Ep10) [AD,S]
Monster in the Closet: When Pimento and Diaz decide to tie the knot, the squad try to prepare the perfect wedding under Santiago's careful direction. (S4 Ep6) [AD,S]
Monster in the Closet: When Pimento and Diaz decide to tie the knot, the squad try to prepare the perfect wedding under Santiago's careful direction. (S4 Ep6) [AD,S]
Mr Santiago: Peralta goes to extremes to impress Santiago's dad at Thanksgiving dinner. Holt helps Pimento deal with life after the NYPD. (S4 Ep7) [AD,S]
Skyfire Cycle: When a famous author receives death threats, Peralta and Jeffords take the case so that Jeffords can meet his lifelong literary hero. (S4 Ep8) [AD,S]
The Overmining: Peralta and Holt help CJ with a big, problematic case. Jeffords tells Gina to remove her precious portable heater from the office. (S4 Ep9) [AD,S]
Mr Santiago: Peralta goes to extremes to impress Santiago's dad at Thanksgiving dinner. Holt helps Pimento deal with life after the NYPD. (S4 Ep7) [AD,S]
Captain Latvia: Boyle enlists Peralta's help to track down his son's favourite toy for Christmas. The team face their rivals in the annual carol competition. (S4 Ep10) [AD,S]
Skyfire Cycle: When a famous author receives death threats, Peralta and Jeffords take the case so that Jeffords can meet his lifelong literary hero. (S4 Ep8) [AD,S]
The Overmining: Peralta and Holt help CJ with a big, problematic case. Jeffords tells Gina to remove her precious portable heater from the office. (S4 Ep9) [AD,S]
Captain Latvia: Boyle enlists Peralta's help to track down his son's favourite toy for Christmas. The team face their rivals in the annual carol competition. (S4 Ep10) [AD,S]
The Favor: Mobster Seamus Murphy returns to redeem the favour Holt owes him for helping to get Diaz and Peralta out of jail, so the team search for a loophole. (S5 Ep11) [AD,S]
Safe House: After mobster Seamus Murphy threatens Kevin, Captain Holt devises an elaborate plan to hide his husband in a safe house, with Peralta as his guard. (S5 Ep12) [AD,S]
The Favor: Mobster Seamus Murphy returns to redeem the favour Holt owes him for helping to get Diaz and Peralta out of jail, so the team search for a loophole. (S5 Ep11) [AD,S]
Safe House: After mobster Seamus Murphy threatens Kevin, Captain Holt devises an elaborate plan to hide his husband in a safe house, with Peralta as his guard. (S5 Ep12) [AD,S]