9-1-1: Lone Star Season 4

Season 4

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.

Air date: 2023-01-23

Episodes: 18

Episodes

E1: The New Hotness

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.

Air date: 2023-01-24 • ★ 8.3

E2: The New Hot Mess

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.

Air date: 2023-01-31 • ★ 7.4

E3: Cry Wolf

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.

Air date: 2023-02-07 • ★ 8.4

E4: Abandoned

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.

Air date: 2023-02-14 • ★ 7.8

E5: Human Resources

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.

Air date: 2023-02-21 • ★ 8

E6: This Is Not a Drill

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.

Air date: 2023-02-28 • ★ 7.8

E7: Tommy Dearest

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.

Air date: 2023-03-07 • ★ 7.6

E8: Control Freaks

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.

Air date: 2023-03-14 • ★ 7.8

E9: Road Kill

On her way back to Austin, Marjan is in for the fight of her life when she is targeted by a killer.

Air date: 2023-03-21 • ★ 7

E10: Sellouts

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.

Air date: 2023-03-28 • ★ 7.8

E11: Double Trouble

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.

Air date: 2023-04-04 • ★ 8.2

E12: Swipe Left

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.

Air date: 2023-04-11 • ★ 7

E13: Open

Owen is shocked by a secret Kendra has been keeping from him; Grace confronts her father about his past infidelity.

Air date: 2023-04-18 • ★ 4.5

E14: Tongues Out

Owen enlists Paul's help in proving Kendra's innocence; Tommy deals with church gossipers over her relationship with Pastor Trevor.

Air date: 2023-04-25 • ★ 7.2

E15: Donors

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.

Air date: 2023-05-02 • ★ 7.2

E16: A House Divided

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.

Air date: 2023-05-09 • ★ 6.8

E17: Best of Men

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.

Air date: 2023-05-16 • ★ 8.4

E18: In Sickness and in Health

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.

Air date: 2023-05-16 • ★ 8.4