[s3e19] I Am | The Apocalypse

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

(Nick Gehlfuss): Jay Halstead’s brother, a brash plastic surgeon.

Testing eventually proves the virus is not contagious, allowing the quarantine to be lifted. [S3E19] I Am The Apocalypse

Hospital administrator Sharon Goodwin (S. Epatha Merkerson) places the facility under immediate quarantine, trapping members of 51 inside with a potential biohazard and an active electrical fire in the ceiling.

A patient enters the ER claiming to carry a deadly airborne virus (revealed later as Marburg) and detonates a grenade . The episode "[S3E19] I Am the Apocalypse" serves

(Yaya DaCosta): An ER nurse with a past connection to Severide.

Severide survives his surgeries but is shaken by the near-death experience. Testing eventually proves the virus is not contagious,

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