: New firefighter Eddie Diaz (Ryan Guzman) joins the team. Buck feels threatened by Eddie's skills and good looks, especially as they both vie for a spot in a charity calendar.

: Multiple harrowing incidents occur across the city, including a road rage accident involving a tourist van and a bizarre emergency at an auto-repair shop.

Under Pressure * Episode aired Sep 23, 2018. * TV-14. * 44m.

: One of the episode's most critical rescues involves a veteran with a live grenade embedded in his leg.

9-1-1 Season 2 Episode 1 Review: Under Pressure - TV Fanatic

: Buck's sister, Maddie Buckley (Jennifer Love Hewitt), arrives unexpectedly in LA, fleeing an abusive relationship with her husband, Doug.