Benson (Mariska Hargitay) hears from her half-brother (Michael Weston), who is on the run because of sexual assault charges. He continues to claim his innocence, though because evidence continues to pile up against him, Benson reluctantly agrees to help in the investigation.

Detectives Benson (Mariska Hargitay) and Stabler (Christopher Meloni) search for the killer of a young gay man whose father (guest star Jerry Lanning) heads a conservative watchdog group, but when they suspect a violent ex-convict (guest star Stephen Beach) who lives in the same building, they are in for a shock. In addition, Benson resents Munch's (Richard Belzer) attempts to help her find her father -- a stranger who raped her mother decades ago. Dann Florek, Michelle Hurd and Dean Winters also star.

A sharp-eyed photo developer puts Detectives Benson (Mariska Hargitay) and Stabler (Christopher Meloni) on the tail of a seemingly harmless piano instructor (guest star Kent Broadhurst) who molests his students -- all boys -- but their prime witness is an unstable young man (guest star Wilson Jermaine Heredia) who recoils when he sees the suspect's videotape of his shame from years before. Even more disturbing for the detectives are more scenes from other tapes that could compromise their case and cause more heartache. Richard Belzer, Dann Florek and Michelle Hurd also star.

Detectives Benson (Mariska Hargitay) and Stabler (Christopher Meloni) have the unsavory task of investigating the sensationalized murder and sexual assault of a young boy, and their prime suspect (guest star Stephen Bogardus) is a convicted child molester whose only obsession seems to be collecting stamps. However, even with mounting evidence, one key piece doesn't fit -- but either way, the state is still prepared to cite civil detention as a test case to imprison him again as a likely repeat offender. Richard Belzer, Dann Florek, Michelle Hurd and Dean Winters also star.

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. The investigation leads to a case of murder and infidelity, which is further complicated when Stabler's own family suffers a tragedy that leaves Stabler's unborn child in serious danger.

TV Guide's Lisa Rinna and Joey Fatone talk to Mariska Hargitay of Law & Order: Special Victims Unit.

Get in on America's biggest secret.

Get in on America's biggest secret.

Christopher Meloni and Mariska Hargitay talk about being back!

Mariska Hargitay Discusses The Acting Challenges Of The "911" Episode