Law & Order: Special Victims Unit (1999)

Episode Overview

When a crime in Chicago mirrors an unsolved case from ten years ago in New York City, Chicago's police join forces with the local squad to pursue a suspect they were forced to let go previously. This crossover kicks off with Chicago Fire Season 3, Episode 21, titled "We Called Her Jellybean," and continues in Chicago P.D. Season 2, Episode 20, called "The Number of Rats."