Episode #1: "El Gringo Loco" - Sept. 26, 2017
Murtaugh intercepts Riggs just as he is preparing to shoot and kill Tito, the drug lord responsible for Miranda's death. He convinces Riggs to bring Tito back to the U.S. alive, in the trunk of Murtaugh's car. When they prepare to turn Tito over to U.S. authorities, however, they open the trunk and discover Tito has been shot in the head and killed.
#2 "Dancing in September" - October 3, 2017
With Deputy Chief Gina Santos (Michelle Hurd) looking into their past cases for evaluation purposes, Murtaugh and Riggs take on a Russian drug ring. The case has Riggs reconnecting with Agent Palmer, who has been given desk work at the DEA ever since she leaked the Tito Flores file to Riggs. Elsewhere, RJ is packing for college and seems reluctant to live on campus, until he learns that his dorm building is co-ed, which then has dad and mom concerned.
#3 "Born to Run" - October 10, 2017
Riggs and Murtaugh, along with young detective Zach Bowman (Andrew Creer), investigate when the bodyguard of famous pop singer Shaye (Joanna Levesque) is murdered. The detectives uncover a secret relationship between Shaye and the bodyguard, along with an even bigger secret in Shaye's past. Meanwhile, Riggs and Palmer struggle to find normalcy in their relationship.
#4 "Flight Risk" - October 17, 2017
A lifelong con man robs the passengers on a private plane at gunpoint while it is airborne, then leaps out with a parachute, taking a victim with him. Riggs and Murtaugh learn that the con man is dying and wanted one last haul to help his daughter after he's gone, but one stolen item (a briefcase full of uncut diamonds) has attracted a group of violent criminals. Meanwhile, Santos questions Avery's ability to lead, given his top detectives' penchant for danger.
#5 "Let it Ride" - October 31, 2017
Riggs and Murtaugh investigate a death that occurs moments before the victim's bet wins a horse race. The victim is Howard, a friend of Leo Getz. While it appears that Howard had a stroke, Getz is convinced it's murder, which Scorcese later proves to be true. Meanwhile, the city tows Riggs' trailer off the beach, bringing back painful childhood memories of being evicted.
#6 "Gold Rush" - November 7, 2017
Riggs helps his childhood friend Jake (Linds Edwards) get paroled from prison, but it soon becomes apparent that Jake is up to no good again. Seeing how Riggs gives Jake a lot of leeway, Murtaugh asks his partner if he owes his old pal a favor. Elsewhere, Murtaugh tries to find out which of his family members left a marijuana joint in a package of cookies, while Bailey deals with the aftermath of accidentally sending a sext to Bowman.
#7 "Birdwatching" - November 21, 2017
Riggs and Murtaugh work on the case of a dead surfer who just came into town from San Diego the day before. Bailey and Bowman help, and Bailey wonders why Bowman is treated like a hero in the beach town. Meanwhile, Murtaugh becomes suspicious of Trish's relationship with her charity ball co-chair "Scott", until he learns it is ex-NBA star Scottie Pippen. Also, Riggs deals with recurring nightmares.
#8 "Fork-Getta-Bout-It" - November 28, 2017
Riggs and Murtaugh investigate a murder involving a couple and a New York mobster, Frank Truno. Scorsese reveals a movie script he has been writing, after he found out that the case revolves around the mafia. However, Murtaugh dislikes the way Scorsese accurately portrays him as one of the characters. Meanwhile, Riggs is taken aback when his childhood friend Molly (Kristen Gutoskie) suggests that they could have been romantically involved.
#9 "Fools Rush In" - December 5, 2017
A man with schizophrenia who believes that Elvis Presley is controlling the hollywood's traffics is running away from Riggs and Murtaugh when he was suspected to kill a man. However, when he proves his theory, Riggs and Murtaugh must stop an organized heist conducted by men dressing as Elvis Presley. At the same time, Murtaugh tries to get his daughter into at an esteemed pre-school and Riggs contemplates the possibility of a romantic relationship with his childhood friend Molly.
#10 "Wreck the Halls" - December 12, 2017
Murtaugh is ready for his family holiday in Hawaii until Diego, a young man he once helped, is murdered. Riggs and Murtaugh confront Grant Davenport (Martin Donovan), the president of an American upper class club where Diego is employed, who has ties to the Aryan fraternity. However, their confrontation causes the fraternity to ambush both of them. Murtaugh manages to subdue his attackers, but Riggs is only able to escape because of his father's assistance.
#11 "Funny Money" - January 2, 2018
Riggs and Murtaugh take on a counterfeiting ring and are joined on the case by veteran Secret Service Agent Peterson (Ernie Hudson). A group of three teenagers inadvertently get involved when they witness a shooting and run off with the phony cash and plates. One of the teenagers named Ty (Nathan Davis Jr.) strikes a chord with Riggs after revealing he's homeless. Meanwhile, Riggs brings home a dog for Ben and Molly. Molly later finds the dog dead with its neck snapped. Sensing it's a message from his father, Riggs goes to confront him in prison. Also, Roger and Trish learn that RJ has been cutting classes at college.
#12 "Diggin' Up Dirt" - January 9, 2018
Shortly after Gene Nakahara (C.S. Lee) meets with Trish and an uninvited Leo Getz to announce he is running against Councilman Sean O'Brien (Michael Reilly Burke) for Mayor of Los Angeles, Gene is killed when his car blows up. Riggs and Murtaugh learn of a private investigator named Serrano (Tim Kang) who works as a "fixer" for high-profile people and investigate that angle, while Trish and Leo work behind the scenes to reveal skeletons in O'Brien's closet. Riggs also learns that his late wife Miranda once visited Serrano to get info on Riggs' father.
#13 "Better Living Through Chemistry"
January 16, 2018
Dr. Cahill begins to question her abilities when two patients of hers die in separate incidents, until it is learned that they were briefly roommates in the same psych facility. Riggs and Murtaugh uncover corruption in the facility related to the meds both patients were taking. At the same time, Santos learns that Riggs had an anger incident caught on tape in which he destroyed the deputy mayor's car, and requests that Cahill sign an affidavit confirming that Riggs is still fit for duty. Elsewhere, Trish and Roger see that RJ has become depressed and withdrawn after dropping out of college, and decide to take their son to a therapist.
#14 "Double Shot of Baileys" - January 23, 2018
Detective Bailey's younger sister Jess (Alisha Wainwright) inadvertently gets caught up with a drug mob when she and her boyfriend use her waitress position at a high-end night club to steal a man's wallet. After the boyfriend is killed over the wallet's contents, Bailey walks a thin line between her obligation to the law and protecting her sister. Elsewhere, Murtaugh helps Riana spy on her boyfriend, whom she accuses of cheating, while Riggs loses his truck after a night of heavy drinking.
#15 "An Inconvenient Rush" - February 6, 2018
#16 "Ruthless" - February 27, 2018
#17 "Untitled" - TBA, 2018
#18 "Untitled" - TBA, 2018