Christina Brucato

Dr Rhodes takes on a tricky case with a familiar patient, and Dr Halstead must decide whether to gamble on a young musician's hearing by performing surgery.

Dr Halstead treats a blast from his past, and Manning and Charles try to treat a young patient who refuses to take medication.

McCall helps a mob accountant scour the city for a lost ledger of evidence he must provide to the FBI in exchange for entrance into the witness protection program; Mel frets over how to tell her best friend that Harry never died.

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

Iris welcomes an enigmatic ally to their community while Hope questions the visitor's motives. A message upends the sisters' worldview, forcing them to decide between the safety of their home and the uncertainty of the world beyond.

In the Old West, the Legends find Jonah Hex in trouble with his arch-nemesis, Quentin Turnbull and his gang, and they soon realise they must stop him from making the frontier his own lawless territory.