Season 1 poster

Season 1

(2015)

Cast

Jason O'Mara as Dr. John Ellison
Jason O'Mara

as Dr. John Ellison

Jessica Szohr as Gretchen Polk
Jessica Szohr

as Gretchen Polk

Beth Riesgraf as Samantha Ellison
Beth Riesgraf

as Samantha Ellison

Lauren Stamile as Dr. Bridget O'Neill
Lauren Stamile

as Dr. Bridget O'Neill

Albert C. Bates as Oliver Ellison
Albert C. Bates

as Oliver Ellison

Episodes

Pilot poster

Pilot 7.0

June 18, 2015

The drama about a disillusioned ER doctor opens with Ellison saving the life of a young boy when he intervenes in a dri…

Infection poster

Infection 8.0

June 18, 2015

Ellison scrambles to locate Antoine when the boy disappears from his bed at the surgical center; and Polk tries to conv…

Onset poster

Onset 8.7

June 25, 2015

John visits Antoine's father, the leader of the VCC gang, in prison, and tries to disentangle himself from his responsi…

Immune Response poster

Immune Response 8.0

July 2, 2015

Gretchen makes expensive arrangements to hide Antoine in order to prevent Bridget from learning that John illegally tra…

Outbreak poster

Outbreak 8.0

July 9, 2015

A gang shootout results in a flood of victims in the ER. John tries to halt the escalating violence, but to succeed he …

Diagnosis poster

Diagnosis 7.5

July 16, 2015

Det. Holden of the Gang Task Force questions John about his suspicious activity; and Gretchen travels to the gang neigh…

Fever poster

Fever 8.0

July 23, 2015

John wants to help Gretchen, but doesn't want to circumvent the law; and Samantha's doubts about John are increased by …

Relapse poster

Relapse 8.5

July 30, 2015

John tries to rein in his compulsions, but is tested when he's tipped off about an impending massacre. Samantha, meanwh…

Deterioration poster

Deterioration 0.0

August 6, 2015

Detective Holden forces John to testify against the gang, drawing its ire; Samantha's past threatens her marriage.

Critical Condition poster

Critical Condition 0.0

August 13, 2015

John and Gretchen's plans to get Antoine home are interrupted; John must do everything in his power to save his family.