Season 4
2023 · 18 episodes · 13h 12m in all · 7.5/10
Owen, Tommy and the rest of the 126 are being called into action to a county fair when a ‘derecho,' a series of fast-moving group of severe thunderstorms, hit Austin, causing hurricane and tornado-force winds, heavy rains, flash floods and a wide path of destruction. And just when they think it couldn't get worse, an even more rare weather phenomenon, a ‘heat burst,' causing temperatures to go up to 122 degrees Fahrenheit, hits the city.

Episodes

1. The New Hotness
24 Jan 2023 · 44 min · 8.3/10
Captains Strand and Vega along with the members of the 126 are called into action to a county fair when a "Derecho," a series of fast-moving severe thunderstorms, hit Austin, causing hurricanic and tornadic-force winds, heavy rains, flash floods and a wide path of destruction. Owen's newfound passion for motorcycling puts him on a potentially dangerous path. Tommy has the potential for a romance when she meets an attractive single father. And as T.K. and Carlos prepare for their wedding, a secret from Carlos' past may stand in their way to happiness.

2. The New Hot Mess
31 Jan 2023 · 44 min · 7.4/10
Captain Strand and the 126 race to the rescue when a woman is trapped in her mobile house that has been hijacked by her ex. Owen has a run in with former nemesis Sgt. O'Brien and is then questioned by the FBI. Tommy asks Grace dating advice. T.K. and Carlos meet with Iris Blake.

3. Cry Wolf
7 Feb 2023 · 44 min · 8.4/10
As Owen gets pulled deeper into the FBI's investigation of the motorcycle gang, Sgt. O'Brien makes a confession to him. Meanwhile, Grace and the 126 respond to a call from a man who claims his girlfriend slipped over the side of a cliff and Carlos searches for a missing friend, putting his own life in danger.

4. Abandoned
14 Feb 2023 · 44 min · 7.8/10
As Owen wears an FBI wire for his meeting with O'Brien, The Honor Dogs crash the meet-up and let them know there's an infiltrator in their midst. A frantic TK desperately searches for a missing and held captive Carlos.

5. Human Resources
21 Feb 2023 · 44 min · 8.0/10
Owen helps defend Marjan when a rescue complaint forces her to make a challenging ethical decision. Meanwhile, Grace befriends a young boy who becomes a frequent 9-1-1 caller, but when she discovers he may be in some real danger she must step in.

6. This Is Not a Drill
28 Feb 2023 · 44 min · 7.8/10
Capt. Strand reveals to the 126 he has been working with the FBI to help bring down a domestic terrorist group with his Austin motorcycle club/gang The Honor Dogs, then race Owen to respond to a bomb threat at the State Capitol and put a stop to the terrorist deadly plans.

7. Tommy Dearest
7 Mar 2023 · 44 min · 7.6/10
Capt. Strand and the 126 help a husband whose wife "dies" when she is not upside down. Grace takes a call from a pizza delivery driver who is in for the shock of his life. Tommy is worried Trevor's young daughter is a bad seed as she attempts to break them up. Paul is hesitant to go on a date with Asha, who knows him prior to his transition.

8. Control Freaks
14 Mar 2023 · 44 min · 7.8/10
The 126 must rescue a father/son involved in a drivers ed lesson gone haywire, then encounter a self-help guru who has lost his self-control. Meanwhile, Owen turns into a "Dadzilla" in helping plan T.K. and Carlos' wedding, and Marjan is suspicious when she meets a couple on her road trip.

9. Road Kill
21 Mar 2023 · 44 min · 7.0/10
On her way back to Austin, Marjan is in for the fight of her life when she is targeted by a killer.

10. Sellouts
28 Mar 2023 · 44 min · 7.8/10
Tommy goes paramedic crew-to-crew against her former employer, private contractors Paragon Medics, as they deal with emergencies involving a dialysis patient and at a perfume factory. Meanwhile, Owen hits it off with a beautiful woman he meets at a fundraiser.

11. Double Trouble
4 Apr 2023 · 44 min · 8.2/10
The 126 race to rescue a woman with an arrow shot into her head; Judd is doubly surprised by news Wyatt shares; Mateo helps a family member in need and comes to regret it.

12. Swipe Left
11 Apr 2023 · 44 min · 7.0/10
When she discovers her former fiancé is having a baby with his new wife, The 126 help Marjan enter the dating world through a series of chaperoned dates; Owen and the team are called to the rescue when a pregnant woman takes matters (and her anger) out at a motel where she suspects her husband is cheating on her.

13. Open
18 Apr 2023 · 44 min · 4.5/10
Owen is shocked by a secret Kendra has been keeping from him; Grace confronts her father about his past infidelity.

14. Tongues Out
25 Apr 2023 · 44 min · 7.2/10
Owen enlists Paul's help in proving Kendra's innocence; Tommy deals with church gossipers over her relationship with Pastor Trevor.

15. Donors
2 May 2023 · 44 min · 7.2/10
Grace and Carlos work together when they suspect a young woman was a victim of a black market organ trafficking ring; Owen's brother Robert comes to visit and meet T.K., but surprises Owen with news that can affect the Strand family.

16. A House Divided
9 May 2023 · 44 min · 6.8/10
When Tommy and Judd disagree on protocol during a rescue at paper mill, a full-on feud develops between the 126 EMS and Fire. Owen awaits news that could change his and T.K.'s lives forever.

17. Best of Men
16 May 2023 · 44 min · 8.4/10
Owen is conflicted when his brother Robert asks him for help; Judd and Grace face a family crisis; As T.K. and Carlos prepare for their wedding day tragedy strikes.

18. In Sickness and in Health
16 May 2023 · 44 min · 8.4/10
Owen is conflicted when his brother Robert asks him for help; Judd and Grace face a family crisis; As T.K. and Carlos prepare for their wedding day tragedy strikes.
9-1-1: Lone Star Season 4: quick answers
How many episodes are in 9-1-1: Lone Star Season 4?
Season 4 of 9-1-1: Lone Star has 18 episodes, about 13 hours in total.
When did 9-1-1: Lone Star Season 4 come out?
Season 4 premiered on 24 Jan 2023.
What is the best episode of 9-1-1: Lone Star Season 4?
By viewer score, episode 3, “Cry Wolf”, at 8.4/10.