Hen fears for Karen's life when an explosion rocks her science lab on the day she brings Denny to work with her.
9-1-1 Season 6 Episodes...
Fast-paced exploration into the high-pressure experiences of police, paramedics and firefighters who are thrust into the most frightening, shocking and heart-stopping situations. These emergency responders must try to balance saving those who are at their most vulnerable with solving the problems in their own lives.