Christina Brucato

Benson and Stabler race against the clock as they use a gamer's avatar to track down her kidnapper before he hurts her.

Dr Connor Rhodes must deal with his past when he takes care of a family friend; Dr Halstead struggles with a surgery that could impact a young musician's hearing.

Dr Halstead treats a former high school classmate. Doctors Manning and Charles try to treat a young patient who refuses to take medication.

Cosgrove and Shaw suspect an art dealer was murdered but can't make an arrest until they locate her body; Price and Maroun must go to trial with a circumstantial case and a suspect with unlimited resources; the squad celebrates a birthday.

The superheroes bond during Barry and Iris's wedding, but the event is interrupted by villains from Earth-X who attack the wedding.

This special crossover episode sees Supergirl, The Flash, Green Arrow and the Legends unite against an alien race called the Dominators.