Original air date: 10/31/2017 Runtime: 42:04 min. When three fifteen-year-old boys vanish from a Catholic school field trip, new Asst. Chief Mason orders Major Crimes to treat their disappearance as a critical missing. Meanwhile, Sharon receives more evidence that Phillip Stroh may be returning to Los Angeles.
Original air date: 11/21/2017 Runtime: 42:03 min. While dealing with a difficult personal matter, Commander Sharon Raydor continues to investigate the disappearance of the St. Joseph's Three, their relationship with an overly protective priest and the possibility that two of the fifteen-year-old boys could be killers.
Original air date: 12/05/2017 Runtime: 42:08 min. When a well-known attorney (Nan McNamara), celebrated for her defense of oppressed women is found dead, there are no shortage of high-profile suspects, including her son (Fran Kranz), her ex-husband (Daniel Hugh Kelly), a film director (Lenny Jacobson) whose career she helped destroy and a former football player (Chris McKenna) whose sports bars/restaurant chain, Tackles, features scantily clad women. Meanwhile, Rusty (Graham Patrick Martin) and Gus (Rene Rosado) confront issues in their relationship.
Original air date: 12/12/2017 Runtime: 42:00 min. As the squad investigates the mysterious death of a second woman related to the Tackles case, and a new theory materializes, Sharon (Mary McDonnell) faces a health setback. Meanwhile, Gus (Rene Rosado) reacts unexpectedly to Rusty’s (Graham Patrick Martin) partial solution to their ongoing relationship problems.
Original air date: 12/19/2017 Runtime: 42:04 min. While working two seemingly connected murders, the division suddenly uncovers a series of sexual assaults against servers from Tackles. As a new theory about the killer gathers steam, however, an unexpected twist throws Major Crimes off course and Sharon Raydor (Mary McDonnell) off- balance.
Original air date: 12/19/2017 Runtime: 42:38 min. Sharon Raydor (Mary McDonnell) must make decisions related to her ongoing health problems while arriving at the solution of a series of murders and sexual assaults. Meanwhile, the detectives in Major Crimes face a crisis in leadership.
Original air date: 12/26/2017 Runtime: 42:05 min. Unable to locate Stroh in the present, the squad looks for answers in his distant past, hunting for the former Ms. Bechtal. Meanwhile, Provenza (G.W. Bailey) struggles with Chief Mason (Leonard Roberts) and Rusty (Graham Patrick Martin) grows frustrated with forced proximity to Gus (Rene Rosado).
Original air date: 01/02/2018 Runtime: 43:07 min. In the penultimate episode of Major Crimes, Phillip Stroh (Billy Burke) and his young British accomplice (Will Attenborough), edge closer and closer to their end game, while Lt. Provenza (G.W. Bailey) continues to push Asst. Chief Leo Mason (Leonard Roberts) into pouring more resources into the case. Rusty (Graham Patrick Martin) digs up an important clue.
Original air date: 01/09/2018 Runtime: 43:06 min. In the series finale, Lt. Tao, (Michael Paul Chan) is stuck in a room with a potential bomb. Provenza (G.W. Bailey) finally identifies the real Ms. Bechtal, and Major Crimes comes face-to-face for the very last time with Phillip Stroh (Billy Burke).