The 9-1-1: Lone Star season finale teases a potential apocalyptic asteroid threat that could destroy Austin, raising the stakes for the first responder team.
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The 30-second promo shows the firefighters receiving an alert warning of an approaching asteroid that could hit Austin within an hour, forcing them to race against time to save the city.
In the mid-season finale, Carlos gets justice for his father's murder, while Owen is offered a significant opportunity and Judd battles alcoholism as Tommy gathers the courage to undergo cancer treatment.