Amaro asks the SVU for help in clearing a convicted man’s name and brings a figure from Benson’s past back into her life.

Air Date: Thursday, Oct. 21 (09:00PM – 10:00PM) on NBC.

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LAW & ORDER: SPECIAL VICTIMS UNIT -- "The Five Hundredth Episode" Episode 23006 -- Pictured: (l-r) Danny Pino as Nick Amaro, Mariska Hargitay as Captain Olivia Benson -- (Photo by: Virginia Sherwood/NBC)