Actor Vince Chase basks in adulation at his latest movie premiere, and is joined in Hollywood by childhood pals Eric, Drama and Turtle.

Nolan is given some life-changing news and invites Grace over for a home-cooked meal in his newly remodelled kitchen; each unit is tasked with following up on dormant cases in hopes of uncovering new leads.

Officer Nolan and the entire team begin a desperate search to rescue Officer Chen after her abduction; Officer Lopez discovers Wesley unconscious from a dangerous cocktail of alcohol and pills.

Officers Nolan, Chen, and West are squeezed harder than ever before as their training officers evaluate whether they are truly ready for the job; one of the rookie classmates is involved in a shooting.

Nolan teams up with new night detective Pablo Armstrong for a murder investigation case that results in an unexpected reunion with a former love interest.

Officers Nolan and Harper investigate a murder which may have national security implications; Officer Bradford must confront his past when he crosses paths with a homeless veteran.

Officer Nolan's trust is tested when he tries to help the previous owner of his home reconnect with his family; Officer Harper's overnight visit with her daughter is put into jeopardy when her past undercover life resurfaces.

The rookies are asked to develop their first confidential informants; Officer Chen's mother complicates her home life when she comes to stay with her.

Officer Nolan kicks off his birthday by babysitting a crime scene at a law office; Officer Bradford and Officer West are set to receive special awards; Sgt Grey rides patrol with Officer Harper after she requests an early annual evaluation.

John and Jessica's relationship gets a lot more complicated after she delivers some surprising news; Officer Bradford and Officer West are assigned a community policing project helping out the Watts Rams as volunteer coaches.

Officer Nolan navigates his relationship with Jessica and a developing rapport with Grace, while working a high-stakes criminal case involving an undercover homeland security agent; Officer Chen meddles with Officer Bradford's love life.

Officers Nolan and Harper escort four juvenile offenders to a Scared Straight programme at a correctional facility, but it quickly becomes a riotous situation; Nolan is uncertain about Grace after she fails to introduce him to her ex-husband.

Nolan's discovery goes much deeper than he expected and could put his life and career in jeopardy.

Larry is tormented by a figure from his past and blackmailed by an employee. He and Jeff pitch a new venture, and Susie finds herself turned on by a surprising source.

Ellie's basketball coach gives everyone a tough time, Pete sees a married woman and Andre attempts to help with a trade.

Contestants must work with boar, fish and tubers to make a creative and tasty dish for the judges in two separate rounds.