A bulldog investment fund manager is murdered in the midst of a client’s big takeover. Price goes to desperate lengths to prove the suspect’s motive.

A gunman open fires at a local college, sending mass casualties to the hospital; Arizona's return is not warmly welcomed.

The hospital is hit with an unprecedented crisis; Meredith and Cristina's surgical skills are put to the test.

The hospital is hit with an unprecedented crisis; Meredith and Cristina's surgical skills are put to the test.

On their own terms, several of the survivors of the Oceanic Six come to grips with their need to return to the island.

Cooper returns to the online dating game with surprising results, Addison goes on a date with one of Violet's patients, and Naomi and Sam make a house call at a convent.

Kate discovers that someone knows the truth about her 'son's' parental lineage. Meanwhile, the castaways feel the effects of the time-shifting island.

The Return Of Martin Crane

Ritualistic murders lead the team to believe their suspect may have a fascination with the Salem witch trials and Garcia plans a Day of the Dead celebration.

Castle and Beckett find themselves on opposite sides of the case when Castle's old school friend emerges as the prime suspect in his own wife's murder.

A teenage girl is sent to a psychiatric clinic when her family observes her very odd behaviour following the death of her twin sister. During a clinic group outing in town, the girl runs away and hides in Melinda's store, where her twin sister appears and blames Melinda for revealing the girl's whereabouts to clinic authorities.

Carisi must tread carefully when Maxwell's husband becomes a person of interest in an SVU investigation. Benson sends Velasco to take an old friend into custody.

Following the President's refusal to withdraw her troops, Dubaku launches a terror attack on a high-profile American. Meanwhile, Walker is recruited by Jack and Tony.