The ninth season premiere of SVU showcases special guest star Cynthia Nixon in a disturbing and electric performance as a woman with multiple personalities who may have abused and fatally harmed her daughter.

A woman involved in virtual reality video games goes missing and her "Avatar" is at the root of the investigation.

Dark secrets are uncovered in a he said/she said investigation (guest star Melissa Joan Hart).

A mentally challenged girl witnesses the savage beating of her mother.

Volunteerism at a victim's rehab center leads the detectives to expose some military secrets.

Can comic books be dangerous? For Detective Olivia Benson (Mariska Hargitay) they could be deadly.

The investigation of a missing girl leads to a schizophrenic serial rapist as tension brews within the department.

A teenager's body is discovered in the woods and professional fighter Mike Kona's (guest star Forrest Griffin) DNA is found on the scene.

When a family's nanny is found gruesomely murdered, the obvious suspect is her Internet love interest, "Casanova" (guest star Steven Bauer). But it isn't long before Detectives Olivia Benson (Mariska Hargitay) and Elliot Stabler (Christopher Meloni) suspect the nanny's employers (guest stars Mark Valley and Anastasia Griffith) may have a few dark skeletons in their closet.

A website sends a polygamist and his family for protection when one of his wives is found murdered - Method Man guest stars.

A wealthy teenage girl is found murdered in New York's Central Park and the clues lead to a gang of homeless children.

Detective Olivia Benson (Mariska Hargitay) teams up with Special Agent Lauren Cooper (Guest Star Erika Christensen) when a serial killer is the suspect.

A young Jewish boy is brutally attacked and the clues lead to a disturbed classmate.

When fertilized embryos go missing from a sperm bank, the detectives must investigate the growing list of suspects before time runs out.

The rape of a young woman and a stolen rape kit prompts Detective Olivia Benson (Mariska Hargitay) to go undercover in prison.

The murder of an investment banker uncovers a hidden affair with a pro football quarterback and puts Detective Olivia Benson's (Mariska Hargitay) job in jeopardy.

Engineer Merritt Rook (guest star Robin Williams) plays dangerous mind games with his followers putting Detective Olivia Benson's (Mariska Hargitay) life at risk in SVU's 200th episode.

A wealthy family of coffee traders comes under suspicion when a pregnant woman is found raped and dead in her burnt loft apartment.

The tables are turned when Detective Chester (Adam Beach) reopens a closed murder case and becomes the prime suspect causing chaos within the squad.