'9-1-1: Lone Star' Season 5 Trailer Teases High-Stakes Drama

A catastrophic train derailment and personal challenges await Austin's 126 team in the upcoming season.

The new season features a train crash releasing toxic chemicals, creating a deadly threat.
Captain Owen Strand and his team face life-threatening situations as they respond to the disaster.
Judd resigns from the 126 to care for his handicapped son, opening up a lieutenant position.
Tommy Vega navigates personal challenges while advancing her relationship with Trevor.
T.K. and Carlos deal with the aftermath of Carlos' father's murder and other personal surprises.