Jeffrey Rignall's story is told; Gacy's execution day brings protests, reunions and moral debates.

After Birkhoff finds Nikita's birth certificate, Nikita and Michael track down her father. Percy tells Alex the black box could help her avenge her father's death.

Patrick Jane accepts the help of a local astrologer, Ellis Mars, to solve the puzzling case of a triple homicide that involves two policemen and the fiancé of an EMT worker.

The CBI pursues two lines of investigation when a Santa is murdered. Meanwhile, following the demise of a person in custody at the CBI, J.J. LaRoche is brought in to question the team when it appears to be an inside job.

Maggie and Goodwin's friendship is tested as tensions rise during the nurses union's negotiations with the hospital. Ripley and Archer treat a skateboarder struck by an emergency vehicle. Frost helps a young boy abandoned by his mother.

Maggie and Goodwin's friendship is tested as tensions rise during the nurses union's negotiations with the hospital. Ripley and Archer treat a skateboarder struck by an emergency vehicle. Frost helps a young boy abandoned by his mother.

Patrick Jane accepts the help of a local astrologer, Ellis Mars, to solve the puzzling case of a triple homicide that involves two policemen and the fiancé of an EMT worker.

The CBI pursues two lines of investigation when a Santa is murdered. Meanwhile, following the demise of a person in custody at the CBI, J.J. LaRoche is brought in to question the team when it appears to be an inside job.

Maggie and Goodwin's friendship is tested as tensions rise during the nurses union's negotiations with the hospital. Ripley and Archer treat a skateboarder struck by an emergency vehicle. Frost helps a young boy abandoned by his mother.

Maggie and Goodwin's friendship is tested as tensions rise during the nurses union's negotiations with the hospital. Ripley and Archer treat a skateboarder struck by an emergency vehicle. Frost helps a young boy abandoned by his mother.

Burgess' memory recall is put to the test following a deadly incident at her local diner.

The search for the suspect in a shooting uncovers a surprising personal connection to Atwater and Val, raising questions about their relationship status.

Patrick Jane accepts the help of a local astrologer, Ellis Mars, to solve the puzzling case of a triple homicide that involves two policemen and the fiancé of an EMT worker.

The CBI pursues two lines of investigation when a Santa is murdered. Meanwhile, following the demise of a person in custody at the CBI, J.J. LaRoche is brought in to question the team when it appears to be an inside job.

Maggie and Goodwin's friendship is tested as tensions rise during the nurses union's negotiations with the hospital. Ripley and Archer treat a skateboarder struck by an emergency vehicle. Frost helps a young boy abandoned by his mother.

Maggie and Goodwin's friendship is tested as tensions rise during the nurses union's negotiations with the hospital. Ripley and Archer treat a skateboarder struck by an emergency vehicle. Frost helps a young boy abandoned by his mother.

Burgess' memory recall is put to the test following a deadly incident at her local diner.

Patrick and the team investigate the murder of a woman with ties to one of the fighters. Meanwhile, LaRoche focuses his investigation on Rigsby, who in turn is forced to ask Cho for a huge favour in order to keep his job.

When Patrick Jane and the CBI must work with a criminal profiler, Dr. Montague, to solve a double murder, it becomes a competition for Jane to prove that his methods are superior.

Maggie and Frost fight to get a pair of lungs for a young cystic fibrosis patient. Hannah learns whether she can become a surrogate. Ripley and Morris treat the daughter of a tech billionaire battling leukemia.

Goodwin is tasked with enforcing difficult cuts to hospital personnel. Charles' daughter is hospitalized after a car accident. A transplant patient makes a life-changing decision.

The first episode tells the stories of the women who went missing, and how the idea that Ireland had a serial killer at large struck fear into the local communities.

The second episode starts with an account of a brutal attack on a woman in a remote area of the Wicklow Mountains. The arrest of the local assailant and rapist lands a suspect in front of those investigating the disappearances.

Just before New Year’s, a hockey mom is gunned down at her front door. Later that night, seven more bodies are found in another suburban home.

Amanda intercepts messages between Nikita and Ryan, who is in prison and has learned how Oversight is funded.