Episode Overview
- Colonel Hartman alerts the team to severe virus symptoms including tachycardia, bleeding, high fever, confusion, and potential organ failure.
- The episode concludes on a tense cliffhanger, with the team trapped and facing imminent danger while trying to escape the lab.
The adrenaline-fueled journey of 9-1-1 continues with season 8, showcasing the unwavering heroism of the 118 team, including Bobby Nash (Peter Krause), Athena Grant (Angela Bassett), Hen Wilson (Aisha Hinds), Buck (Oliver Stark), and Chimney (Kenneth Choi). The latest episode, titled “Sick Day,”premiered on April 10, 2025, and is part of a gripping two-part series called the “Contagion”event, with its follow-up, “Lab Rats,”set to air on April 17, 2025.
As the 118 team often navigates through extraordinary challenges, this episode brings them face-to-face with potentially life-threatening situations, amplifying the sense of urgency. The dramatic conclusion of episode 14 leaves fans eagerly anticipating the next installment as they grapple with a shocking cliffhanger.
What Happens At The End Of 9-1-1 Season 8, Episode 14, “Sick Day”?

In the climactic moments of “Sick Day,”the 118 team is desperately working to extract individuals from a biohazardous lab engulfed in flames. Bobby, Chimney, and Hen find themselves trapped following an explosion, while Athena and Buck scramble to devise a plan for their rescue.
During this heart-pounding scene, Colonel Hartman (Rick Worthy), an infectious diseases expert from the U.S. Army, warns the team about the virus they may encounter. The symptoms include tachycardia, severe bleeding, high fever, confusion, and the terrifying possibility of organ failure.
Maddie Hen (Jennifer Love Hewitt), a resilient 9-1-1 operator, remains on the line to support her team, intensifying the drama as they learn that it will take an agonizing two hours to create an escape tunnel. The stakes rise when it’s revealed that Hen has a collapsed lung and requires immediate medical intervention.





Chimney emerges as a central figure during this crisis. He faces the daunting task of guiding Bobby on how to perform a chest tube insertion on Hen while dealing with the threat of contagion. The urgency and tension are palpable in this scene, reminiscent of gripping moments from medical dramas. Chimney, despite the chaos surrounding him, remains optimistic, telling Maddie:
“Hey, honey, not sure I’m going to make it home for dinner. I think I picked up a little bug at the office.”
Athena, filled with dread, presses for more information about the lab’s contents, leading to a shocking revelation: a scientist named Moira (Bridget Regan) had expedited the incubation period for a virus, the Crimean-Congo hemorrhagic fever antidote, before being terminated from her position. Dr. Francis Banting (Sean T. Krishnan) is forced to decide against the rescue of the 118 team, prioritizing safety over their lives. Angela Bassett’s performance captures the heart-wrenching emotions of a wife threatened with losing her husband and colleagues.
In a defiant move, Ravi (Anirudh Pisharody) chooses to act against military orders, searching for the antidote that appears to be missing. In a shocking twist, Moira is later seen among civilians carrying the antidote that could save Chimney’s life, setting the stage for an exhilarating continuation of the story typical of Ryan Murphy’s narrative style.
Other Significant Moments In 9-1-1 Season 8, Episode 14, “Sick Day”

The episode balances intense drama with lighter moments, something fans appreciate in procedural series like NCIS, The Rookie, and 9-1-1. For instance, Ravi confronts a heart-wrenching incident involving a car accident, which leads him to reevaluate his career choices. Additionally, a light-hearted gender reveal party hosted by Chimney and Maddie turns into a comical disaster when their daughter, Jee-Yun (Bailey and Hailey Leung), mistakenly assumes they are having a girl when it’s actually a boy.
As the dark climax of “Sick Day”leaves the fate of Hen, Chimney, and Bobby uncertain, audiences are left to ponder the potential outcomes, particularly given Chimney’s grave condition. The stage is set for an exciting resolution in the following episode.