Finch, Reese, Fusco and Shaw embark on one last mission to prevent Samaritan from destroying The Machine and cementing its hold over mankind.

Forced to take on new identities provided by Root, the team members try to adapt to their new lives. However, some find it hard to ignore The Machine’s numbers, which…

Michael helps an ex-CIA operative who has become a target of Russian spies.

Michael, Fiona, and Jessie try to keep the NOC list away from Vaughn and his strike team. Meanwhile Sam and Madeline try to convince Congressman Cowley to pass the list…

Carol’s pregnancy becomes public knowledge as she learns that she’s having twins. Lucy has problems trying to go off Ritalin. Peter learns Carla plans to move to Germany. Kerry finds…

Romano forces Benton to choose between the trauma and cardiothoracic fellowships. Carol worries that she may have lost her child. Corday and Greene bond on the way to a medical…

As the result of a school shooting, Kovac and Benton care for the gunman and his victims. Abby discovers that Carter has been illegally injecting pain relievers. Greene and Weaver…

Carter seeks psychiatric help because he can’t sleep. He then visits the wife of his attacker. Weaver returns to work after her suspension. Hathaway and Kovac share a kiss.

Weaver reprimands Carter for doing a dangerous procedure without consulting Kovac. She also talks to Hathaway about Hathaway’s lack of focus on the job. And while treating a 6-year-old patient…

Carter and Lucy are discovered and the staff struggles to save them and go on with normal patient care.

A recommendation from Weaver allows Jeanie to have temporary approval as a foster parent for baby Carlos. Reggie and Jeanie get married. Lucy and Kovac talk with a young woman…

When Anspaugh decides to retire as chief of staff and return to surgery, he appoints Romano as his replacement. Greene expresses reservations about the decision, but Weaver does not support…

Maggie contests Abby’s attempt to institutionalize her. Weaver treats a few bizarre patients. When Legaspi returns to work after being exonerated of sexual harassment, Weaver tries to reconcile with her….

Dr. Pratt brings a gun into the ER; Dr. Weaver tries to conceal her pregnancy; a woman plots against her dying husband; Dr. Chen treats math students who overdosed on…

Two couples meet in a bar and one of the couples is murdered. When a second couple is murdered in a similar fashion the team suspects a pair of serial…

When the lead suspects in Grissom’s serial killer case are murdered, Grissom suspects an inside job. Grissom and Brass are at odds when Grissom suggests it was a cop. Catherine…

Two couples meet in a bar and one of the couples is murdered. When a second couple is murdered in a similar fashion the team suspects a pair of serial…

When the lead suspects in Grissom’s serial killer case are murdered, Grissom suspects an inside job. Grissom and Brass are at odds when Grissom suggests it was a cop. Catherine…

The team takes upon another strange case when a telemarketer reports a possible murder of a petty officer who appeared to be dying over the phone. However, with the help…

A triple homicide has ties to a politician, but he may be just the first step toward the truth and a killer who will take desperate measures to keep his…

A missing football player becomes the prime suspect in the murder of a woman whose body is discovered floating in the East River.

The double murder of a wealthy man and his daughter leads the detectives to the wife and stepmother of the deceased. However, Canada’s objection to the death penalty hampers McCoy…

A young man who claims to have helped a murdered young man change a flat tire is first the cops’ primary suspect, then the prosecutors’ chief witness.

Cragen comes under suspicion when his mentor in the department is investigated for laundering drug money.