Season 4

Romance, rivalry, and unexpected alliances stir within the ER. As medical technology and politics collide, the team must fight to put patients first — even when the system works against them.

201822 EpisodesDrama

Cast & Crew

Oliver Platt

Dr. Daniel Charles

Nick Gehlfuss

Dr. Will Halstead

S. Epatha Merkerson

Sharon Goodwin

Marlyne Barrett

Maggie Lockwood

Yaya DaCosta

April Sexton

Torrey DeVitto

Dr. Natalie Manning

Colin Donnell

Dr. Connor Rhodes

Brian Tee

Dr. Ethan Choi

Norma Kuhling

Dr. Ava Bekker

Episode Guide

Bekker takes drastic action to keep Rhodes from leaving Med for good. Meanwhile, Halstead questions Manning's feelings about their upcoming wedding, Ethan receives shocking news about his sister, and Dr. Charles mourns a loss.