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.

The episode was rated 7.70 from 521 votes.

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.

The episode was rated 7.70 from 412 votes.

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.

The episode was rated 7.70 from 452 votes.

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.

The episode was rated 7.70 from 463 votes.

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

The episode was rated 7.73 from 417 votes.

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.

The episode was rated 7.74 from 449 votes.

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

The episode was rated 7.75 from 429 votes.

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.

The episode was rated 7.75 from 478 votes.

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.

The episode was rated 7.78 from 408 votes.

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.

The episode was rated 7.79 from 467 votes.

In the episode "Donors" of 9-1-1: Lone Star, Grace and Carlos team up to investigate a suspicious case involving a young woman possibly falling victim to an underground organ trafficking operation. It's a refreshing shift to see Owen taking a back seat for once, allowing Grace to take charge of the case. The focus on a single main storyline keeps the tension high and the audience engaged, making it one of the standout episodes of the season.

Guest appearances by talented actors, including a compelling performance as a detective in the police department, add depth to the episode's narrative. Despite the usual challenge of juggling multiple characters and storylines, the pacing in this episode remains strong, drawing viewers in without unnecessary side plots. The family dynamics are well portrayed, with Owen's brother Robert's unexpected news adding a layer of complexity that could impact the entire Strand family.

While the episode delivers an intriguing case, some viewers express mixed feelings about the inclusion of potential health issues for TK and Owen, hinting at future angsty storylines. Grace's involvement in detective work is a highlight for many fans, who feel her character deserves more screen time to shine. Overall, "Donors" offers a compelling blend of mystery, drama, and family dynamics, making it a must-watch for fans of 9-1-1: Lone Star.

The episode was rated 7.81 from 399 votes.

In the episode "Human Resources" of 9-1-1: Lone Star, we see Owen stepping up to defend Marjan when a rescue complaint puts her in a tough spot where she must navigate a challenging ethical dilemma. The tension rises as Marjan faces pressure from the Austin FD, and viewers are left wondering how she will handle the situation.

Meanwhile, Grace forms a bond with a young boy who becomes a frequent 9-1-1 caller. However, things take a serious turn when Grace suspects the boy might be in real danger. This subplot adds an emotional depth to the episode, showcasing Grace's compassion and determination to protect those in need.

As the episode unfolds, viewers are taken on a rollercoaster of emotions, with intriguing side plots and unexpected twists keeping them engaged. The dynamic storytelling and character development in "Human Resources" demonstrate the show's ability to deliver compelling narratives that leave a lasting impact on its audience.

The episode was rated 7.83 from 470 votes.

In "9-1-1: Lone Star" episode "In Sickness and in Health," we see Owen facing a tough decision when his brother Robert reaches out for help. Meanwhile, Judd and Grace navigate a family crisis, and the much-anticipated wedding day for T.K. and Carlos takes a tragic turn. The emotional rollercoaster in this episode keeps viewers on the edge of their seats.

Viewers were touched by the heartfelt moments between Carlos and T.K. at the pool, where they exchanged beautiful vows during their wedding. The portrayal of their love and the challenges they face had fans feeling a mix of emotions, from joy to heartbreak. The wedding scene showcased the strength of their bond amidst adversity, leaving many with a full heart and rooting for #Tarlos.

As the season comes to a close, the episode delves into personal arcs for characters like Judd and Wyatt, offering closure and wrapping up loose ends. While some viewers found certain plot developments surprising or disappointing, the overall sentiment was one of appreciation for the emotional depth and engaging storytelling in this season finale. With unexpected twists and poignant moments, "In Sickness and in Health" leaves fans eagerly awaiting the next chapter of "9-1-1: Lone Star."

The episode was rated 7.85 from 397 votes.

In the gripping episode "This Is Not a Drill" of 9-1-1: Lone Star, tensions run high as Capt. Strand drops a bombshell on the 126 – he's been working undercover with the FBI to take down a dangerous domestic terrorist group linked to his motorcycle club, The Honor Dogs. The reveal sets the stage for a heart-pounding race against time as Strand and Owen rush to thwart a bomb threat at the State Capitol, putting their lives on the line to prevent a catastrophic attack. The episode delivers a rollercoaster of thrills and surprises that will keep you on the edge of your seat.

Fans of the show praised this episode for its focused and driven narrative, highlighting a more serious and determined side of Owen. The story unfolds with a sense of urgency and intensity, drawing viewers deeper into the high-stakes world of emergency responders facing both personal and professional challenges. While some moments felt a tad rushed, the overall experience was described as thrilling and engaging, maintaining the show's reputation for delivering adrenaline-pumping twists and turns.

However, amidst the excitement, tragedy strikes with the unexpected death of Agent Casey, leaving fans shocked and saddened by the sudden turn of events. The loss of a key character adds a layer of emotional depth to an already intense storyline, showcasing the unpredictable nature of the series. Despite some minor critiques about pacing and editing choices, "This Is Not a Drill" leaves a lasting impact with its blend of action, drama, and heart-wrenching moments that keep viewers hooked until the final credits roll.

The episode was rated 7.86 from 443 votes.

In the episode "Road Kill" of 9-1-1: Lone Star, viewers are taken on a thrilling ride as Marjan faces a dangerous encounter on her way back to Austin. Targeted by a killer, Marjan finds herself in a fight for her life, adding a suspenseful twist to her journey home.

Throughout the episode, the tension rises as Marjan navigates the threat looming over her. Viewers are kept on the edge of their seats, eagerly anticipating the unfolding of events and the resolution of Marjan's harrowing predicament. The gripping storyline keeps the audience engaged, wondering how Marjan will outsmart her pursuer and emerge victorious.

While some viewers found certain aspects of the episode predictable, the majority praised the overall execution and performances. From the captivating storytelling to the commendable guest acting, "Road Kill" delivers a compelling narrative that resonates with fans of the show. Despite any predictability, the episode succeeds in keeping the audience entertained and invested in Marjan's intense battle for survival.

The episode was rated 7.91 from 455 votes.