A New York firefighter relocates to Austin, Texas with his son, where he works to save people's lives while trying to solve his own personal problems.
Cast: Rob Lowe, Liv Tyler, Ronen Rubinstein, Sierra Aylina McClain, Jim Parrack, Natacha Karam, Brian Michael Smith, Rafael Silva, Julian Works, Mark Elias
A recovering Owen becomes the prime suspect in the serial arsonist case. Meanwhile, T.K. and Carlos find themselves in a fiery situation and Tommy gets the surprise of her life.
After being forced to take time off work to recover from his surgery, Owen finds himself immersed in the search for a serial arsonist. Meanwhile, T.K. and Carlos take their relationship to the next level and Marjan copes with the aftermath of losing someone on the job.
The 126 make calls to a bloody disaster at an ice cream shop and help rescue a boy missing from his own birthday party. T.K. and Carlos take a big step in their relationship. Grace learns to rely on others following the car accident.
Grace and Judd fight for their lives in the aftermath of the horrific car accident, as flashbacks show how a childhood tragedy led Judd to meet Grace and how they ultimately fell in love.
A bank robbery, an apartment fire and a pregnant woman lost in a parking garage are the seemingly unconnected calls to which the 126 responds. Carlos finds himself working on a case with his Texas Ranger father.
The 126 arrive at a funeral where another dead body has crashed the burial, and then to a hospital where an MRI has gone haywire. Owen and Tommy each feel displaced in their homes. T.K. makes waves in his new position.
Owen and T.K. risk their lives to save two brothers trapped in a homemade minefield. Tommy interviews new candidates to fill the team's open EMT position. Paul's mother and estranged sister pay him an unexpected visit.
Judd is shocked at the latest victim of an emergency call. Grace and Carlos must save a woman literally trapped in a domestic abuse situation. The 126 arrive at a horrific highway crash that threatens the lives of a father and daughter.
The 126 is on the scene when a disastrous wedding comes crumbling down. Owen and Gwyneth struggle to label their new relationship. A man from Marjan's past re-enters back in her life.
As a wildfire spreads across Texas, L.A's 118 firehouse arrive to help the 126. As the crews race to save a group of teenagers trapped by a fire in a campground, Owen and Hen fight for their lives in the aftermath of a helicopter crash.
After a volcanic eruption wreaks havoc in Austin, the members of the 126 race to save lives at a college pool party, a family's mini-golf outing and a woman trapped in her food truck by a horde of scorpions.
The 126 crew responds to a military tank on the loose in downtown Austin and a human pile-up at the roller derby. New paramedic captain, Tommy Vega, joins the team. Owen is reunited with his ex-wife and receives an update on his cancer.