New Blood: Nolan volunteers to guard Professor Fiona Ryan's house overnight, after a series of mysterious notes and the vandalism of her car. (S3, ep 11) [S,AD]
Amber: The team race to find a newborn baby who was stolen from a local hospital. Officers Jackson and Chen work their last shifts as rookies. (S3, ep 9) [S,AD]
Bad Blood: Officers Nolan, Harper and Lopez dive into a complex case when the son of a criminal court judge with many enemies is kidnapped. (S3, ep 8) [S,AD]
Lockdown: Officer Nolan is taken hostage. Officer Jackson and Officer Stanton's strained relationship reaches a tipping point that puts Jackson in danger. (S3, ep 5) [S,AD]
Sabotage: Officer Jackson West seeks out Sgt Grey's help for a solution when his relationship with Stanton - his new training officer, takes a turn. (S3, ep 4) [S,AD]
The Q Word: The pressure is on for Officers Nolan, Chen and West as their training officers evaluate whether they are truly ready for the job. (S2, ep 19) [S,AD]
Under the Gun: Officer Nolan and Harper are thrown into a scene of chaos when they escort four young offenders to a correctional facility. (S2, ep 18) [S,AD]
Control: Officer Nolan discovers his confidential informant has gone back to her criminal ways. Lucy's friendship with Jackson is tested. (S2, ep 17) [S,AD]
The Overnight: Officers Chen and Bradford meet Ryan Seacrest and the judges when they respond to a call at the American Idol auditions in LA. (S2, ep 16) [S,AD]
Follow-Up Day: Each unit is tasked with following up on dormant cases in the hope of discovering new leads. Meanwhile, Nolan gets some life-changing news. (S2, ep 13) [S,AD]
Warriors And Guardians: Officer Nolan must adjust to his new training officer's unconventional quirks that come from her stint as undercover detective. (S2, ep 4) [S,AD]
The Night General: Nolan has a run-in with an ex-flame. Officer Bradford is forced to accept help from Officer Chen as he preps for an exam. (S2, ep 2) [S,AD]
Impact: Officer Bradford fights for his life as the rest of the team deal with the fallout from the attack in LA, and later, the Rookies learn their fates. (S2, ep 1) [S,AD]
Free Fall: As the Rookies prepare for their final exams, Nolan and Bishop face a different kind of test when they stumble on a terror plot. Season finale. (S1, ep 20) [S,AD]
Homefront: The team are tasked with checking in on recently-freed felons, and someone from Officer Bishop's past puts her in a dangerous situation. (S1, ep 18) [S,AD]
Manhunt: A prison bus crash causes chaos as all units must respond to both inmates with severe injuries and others taking the opportunity to flee. (S1, ep 15) [S,AD]
Standoff: Officer Bradford's wife has been non-fatally shot, and he vows to track down the man who did it. Pressure mounts for Officer Nolan. (S1, ep 9) [S,AD]
The Squeeze: Nolan and Celina take on a new case. Monica identifies her attackers. Lopez and Harper find a link to a trail of crimes. (S6, ep 9) [S,AD]
Punch Card: The team keep the peace at the hospital after a mafia-caused tragedy, while Lucy and Celina investigate the suspects behind the attack. (S6, ep 8) [S,AD]
Crushed: When two teenagers go missing, the truth about their disappearance must be uncovered. Lopez and Harper search for the perfect nanny. (S6, ep 7) [S,AD]
The Vow: When a toddler is found at the scene of a crime, John and Bailey must decide what to do. Meanwhile, Tim leaves Lucy in the dark. (S6, ep 5) [S,AD]
Training Day: On Thorsen's first day back since the assault, he is tasked with a series of high-stress cases to determine whether he's ready to work. (S6, ep 4) [S,AD]
Trouble in Paradise: Nolan and Bailey's honeymoon is cut short when it turns into a crime scene, while Tim and Celina uncover the identity of a victim. (S6, ep 3) [S,AD]
The Hammer: The team celebrate at John and Bailey's wedding, Celina discovers a discrepancy in her case and Lucy and Tim's relationship is put to the test. (S6, ep 2) [S,AD]
Strike Back: In the aftermath of the assaults, the team try to understand why they were targeted. Is a bigger plan in place? Season premiere. (S6, ep 1) [S,AD]
Under Siege: In the season finale, the team realise their division may be a target for a group of masked assailants after one of their own is shot. (S5, ep 22) [S,AD]
Going Under: Officer Chen goes undercover to infiltrate a firearm operation. Detective Harper and Officer Nolan work to solve a grisly case. (S5, ep 21) [S,AD]
A Hole in the World: The team investigate a pattern of kidnappings which leads them to a discovery that hits close to home with one of their own. (S5, ep 19) [S,AD]
A Hole in the World: The team investigate a pattern of kidnappings which leads them to a discovery that hits close to home with one of their own. (S5, ep 19) [S,AD]
The Enemy Within: With Elijah and Abril now allies, the team rely on Monica to uncover their plans. Meanwhile, Nolan and Juarez reopen her sister's case. (S5, ep 17) [S,AD]