The 18th season of Law & Order premiered on NBC on January 2, 2008, and concluded on May 21, 2008.
Detective Cyrus Lupo (Jeremy Sisto) leaves terrorist regions to return to his own family terror at home.
A kidnapping during a power outage leads to two murders: Fall Out Boy's Patrick Stump Guest Stars.
A scientist's controversial research is exposed after a mysterious package explodes.
A dry cleaning mix-up leads to a murdered attorney and a trail of corporate greed.
A teenager and young girl are found dead near a neighborhood playground arousing racially charged issues in the community: Ally Walker guest stars.
A triple homicide thought to be a lovers' quarrel turns out to be the work of a career con artist.
Detectives Cyrus Lupo (Jeremy Sisto) and Ed Green (Jesse L. Martin) go undercover after a deadly hit and run: Mad Men's January Jones guest stars.
A case where a cop kills a woman raises tension in the DA's office.
Being at the wrong place at the wrong time proves to be deadly for one surgeon.
A high school girl is killed and the two unlikely suspects include a prostitute and pimp.
When a psychiatrist who treats disturbed teens is found murdered his troubled patients and jealous wife are the prime suspects.
Dog fighting, a wine dealership and an overzealous reporter: Lara Flynn Boyle guest stars.
The brutal murder of an art dealer leads to a debate between religion and fascism.
The death of an avid gambler puts Detective Ed Green's (Jesse L. Martin) badge in jeopardy forcing him to reveal his troubled past. Internal Affairs Detective Kevin Bernard (Anthony Anderson) is assigned to the case. This is the first appearance for new cast member Anthony Anderson and departing cast member Jesse L. Martin.
The death of a novelist leads the detectives to suspect some involvement from a controversial cult but prosecuting this case proves to be a challenge.
A legal aid striker is killed on the picket line. The trial has ADAs Michael Cutter (Linus Roache) and Connie Rubirosa (Alana De La Garza) defending opposite sides of the case.
A fraudulent online relationship is exposed, leading the detectives to a bizarre case of blackmail and laundered money.
A jeweler is found murdered exposing a prostitution ring.