Overview

• Season 2 debuted Monday, Sept. 22 at 10 p.m. ET on NBC, with episodes streaming the next day on Peacock.
• Showrunner Michael Grassi confirms an expanded 22-episode order, allowing more serialized patient stories alongside weekly cases.
• John Clarence Stewart joins as ER physician Dr. Anthony Thorne, with Brian Altemus as resident Dr. Charlie Porter and Bellamy Young as a long-term care clinical leader.
• The series broadens beyond neurology to highlight the Emergency Department, contrasting Thorne’s high-volume approach with Wolf’s intensive, patient-first style.
• Coverage notes continuing family tensions for Oliver Wolf and a season-long mystery device that will unfold across the coming weeks, without revealing key twists.