[s3e19] I Am: The Apocalypse

This episode introduced the core cast that would eventually lead Chicago Med :

The episode "[S3E19] I Am the Apocalypse" serves as the high-stakes backdoor pilot for Chicago Med . First airing on April 7, 2015, it masterfully transitions from a standard rescue mission to a terrifying medical siege. Plot Summary [S3E19] I Am The Apocalypse

Severide survives his surgeries but is shaken by the near-death experience. This episode introduced the core cast that would

(Oliver Platt): Chief of Psychiatry, whose first meeting with Chief Boden is a fan-favorite moment. (Oliver Platt): Chief of Psychiatry, whose first meeting

Lieutenant Kelly Severide is critically injured in the blast while trying to stop the attacker. He spends much of the hour in surgery, experiencing visions of his late friend Shay while Dr. Hannah Tramble (Laurie Holden) fights to save him. Major Introductions & Arcs

The episode begins with Firehouse 51 responding to a massive at an industrial factory. After rescuing dozens of victims suffering from respiratory distress, the team transports them to Chicago Med . While at the hospital, the situation spirals into chaos: