"The New Hot Mess" is the second episode of the fourth season of 9-1-1: Lone Star , featuring Owen Strand's undercover work with the FBI and Carlos Reyes's revelation of a secret marriage to Iris Blake. The episode, which aired on January 31, 2023, also follows the 126 responding to a yoga influencer's balcony fall. Viewer discussion and specific episode details can be found in the Reddit discussion , Season 4 Episode 2: The New Hot Mess Discussion - Reddit .