第 4 季 共 23 集
播出时间：2015年6月9日
第 1 集 A Rose is a Rose
播出时间：2015年6月9日
The squad investigates a double homicide related to an ongoing string of home invasions in the Hollywood Hills. Meanwhile, Sanchez attempts to reintegrate himself in the division after his suspension over a questionable use of force, while Captain Raydor makes a fateful choice in the life of her adopted son, Rusty.
第 2 集 Sorry I Missed You
播出时间：2015年6月16日
When a dead body pops out of the trunk at the end of a car chase, the squad must untangle connections between a superstar chef; a middle-aged pediatric psychiatrist and his second, much younger wife; and a bankruptcy lawyer whose problematic representation threatens to derail the investigation. Rusty continues his attempt to identify the murder victim who called herself Alice Herrera, inadvertently threatening the case against her murderer.
第 3 集 Open Line
播出时间：2015年6月23日
Major Crimes investigates the murder of a super model with close ties to a pompous celebrity photographer (Jamie Bamber) with boundary issues. Meanwhile, Raydor and Rusty give Assistant Chief Taylor a headache when they are both served subpoenas for their entanglement in the Alice murder case.
第 4 集 Turn Down
播出时间：2015年6月30日
During his first drive-along as a reserve officer, Buzz Watson discovers a dead body in a hotel room bathtub, not only threatening an extremely expensive wedding but also Flynn and ProvenzaÂs plans to take the division to a Fourth of July DodgerÂs game.
第 5 集 Snitch
播出时间：2015年7月7日
While the Major Crimes unit investigates a complicated gangland shooting, Det. Amy Sykes finds she must protect the identify of a witness capable of identifying the killer. Rusty struggles with how to manage newly gained information on the Alice case, and Lt. Flynn works to gain the courage to take his relationship with Captain Raydor to the next level.
第 6 集 Personal Effects
播出时间：2015年7月14日
When the squad comes across a pile of bones, they fall into a web of connections as they find their victim has an unnerving past. Rusty continues to pursue his investigation of the Alice case with the help of a new friend. Meanwhile, Rusty also gets roped into helping Provenza make a major move.
第 7 集 Targets of Opportunity
播出时间：2015年7月21日
After a shooting leaves two LA police officers dead, the Major Crimes unit must work with the Deputy Chief of the LAPD Special Operations Bureau, Fritz Howard, to piece together a high stakes case involving a fugitive witness. Meanwhile, Rusty works with the team on the case in order to secretly gather more background information to support his own, journalistic investigation into the life of the girl who called herself Alice Herrera..
第 8 集 Hostage of Fortune
播出时间：2015年7月28日
New information prompts the re-opening of an old kidnapping investigation, forcing Captain Raydor and her Major Crimes Division into partnership with a potentially corrupt FBI agent. Rusty has a major breakthrough in his investigation on Alice Herrera.
第 9 集 Wish You Were Here
播出时间：2015年8月4日
A video of a bloodied, half-naked man walking down the street with a gun goes viral and the team must decide if the victim was targeted or a potential suicide.
第 10 集 Fifth Dynasty
播出时间：2015年8月11日
The unit identifies a murder victim as the son of a judge who is known for being tough on criminals; the squad searches through the judge's current caseload.
第 11 集 Four of a Kind
播出时间：2015年11月3日
Four wealthy one percenters are left for dead outside a hospital emergency room in a twisty- curvy murder that leads through an impossible list of suspects, including a high school daughter with her father's iPhone password, a diabetic chauffeur, the owner of several LA parking lots and a mysterious woman with great legs who trips up Lt. Andy Flynn on her way to Mexico. Meanwhile, Rusty pursues a taboo subject for his next story on "Identity."
第 12 集 Blackout
播出时间：2015年11月10日
Jack Raydor (guest star Tom Berenger) is back again, defending a man who is attempting to withdraw a confession in the murder of his wife. A last-second video purporting to provide the defendant with an alibi alerts the Major Crimes team to the possibility of a conspiracy. Rusty interviews Slider, while Flynn is still living with Sharon due to his injury.
第 13 集 Reality Check
播出时间：2015年11月17日
Sharon and the team investigate a murder during the taping of a reality competition show pitting married couples against each other. The case has a profound effect on Sanchez, bringing back memories of his late wife. Meanwhile, Rusty meets Slider's lawyer.
第 14 集 Taking the Fall
播出时间：2015年11月24日
The Major Crimes team is called to investigate a follow up attack on a victim of road rage, as a business executive and his wife fall prey to a furious driver in a pickup truck. As Thanksgiving approaches, Flynn suffers a setback on his road to recovery. And Rusty finally gets the interview with Slider that he wanted.
第 15 集 The Jumping Off Point
播出时间：2015年12月1日
Sharon and the team investigate the murder of a young man pushed off the top of a parking structure who was somehow able to afford a high-end apartment without any visible means of support. Meanwhile, Lt. Andy Flynn suffers through the ministrations of an overly cheerful physical therapist.
第 16 集 Thick as Thieves
播出时间：2015年12月8日
With Flynn on desk duty as he recovers from injuries, Sharon and the team investigate the murder of a fugitive diamond thief whose body was found by his bail bondsmen. Rusty is put in a tight spot when his relationship with Slider is discovered by Marianna's brother.
第 17 集 #FindKaylaWeber
播出时间：2015年12月15日
A professional baseball pitcher's daughter goes missing, and the Major Crimes team's investigation leads them to the very limits of the justice system. Rusty is put in an extremely awkward position as Slider approaches the last phase of his trial.
第 18 集 Penalty Phase
播出时间：2015年12月22日
Sharon and the team track an unhinged killer making his own film with his victims as the stars as a new romance takes wing.
第 19 集 Hindsight (1)
播出时间：2016年2月16日
A young woman and her 3-year-old son are shot to death while driving through gang territory in the wrong colored car, and the gun used in the murder is quickly connected to the most troubling series of unsolved homicides in LAPD history. As Captain Sharon Raydor and the rest of her division attempt to solve the mystery, Amy Sykes begins an uneasy alliance with a disgraced former LAPD detective with a novel theory and a corrupt past.
第 20 集 Hindsight (2)
播出时间：2016年2月23日
The team attempt to capitalize on a discovery made in a church. Stephanie and Sanchez's connection increases. Rusty finds out that his biological mother's ex is now a fugitive.
第 21 集 Hindsight (3)
播出时间：2016年3月1日
After another victim is discovered, Sharon turns her attention back to former LAPD Det. Mark Hickman. Fritz and his team attempt to help the LAPD show up in force at Tamika's funeral.
第 22 集 Hindsight (4)
播出时间：2016年3月10日
Information pours in about past victims; Lt. Cooper and Amy Sykes are caught in an unexpected gun fight; Sharon makes her way toward the truth.
第 23 集 Hindsight (5)
播出时间：2016年3月15日
The seven murders are finally tied together and the number of suspects is narrowed down to three. Mark Hickman attempts to deal the truth about his past. Provenza and Patrice sort out their wedding issues.
