4 seasons available
In honor of Bobby Nash's sacrifice, the 118 comes together to dedicate the firehouse in his memory; when a billionaire tech giant is involved in a life-or-death emergency, the team must race to his aid.
As a geostorm ravages Earth, Athena and Hen's space mission teeters on the edge; on the ground, the 118 battles chaos when technology goes rogue.
Athena and Hen face increasing dangers in space as friends both near and far try to get them home safely; the 118 continues to help victims of the geostorm and falling debris.
As Athena and Hen navigate their way back home, Athena will be forced to confront what it means to live without Bobby.
The 118's beliefs are put to the test as they respond to emergency calls involving a jack-o'-lantern and a few more jump scares than they were expecting on Halloween.
Athena must revisit a painful part of her past when answering a call for help; the 118 takes a big step forward.
Hen's attempts at keeping her mysterious health issues private are starting to impact more than just her physical well-being; Buck and Ravi decide Eddie needs a night out on the town.
Following Hen's firing, Chimney grapples with his decision and how it has affected the team; a new AI call center assistant, meant to help, has begun to create more complications, and the 118 must intervene.
Hen continues to seek out a diagnosis for her mysterious symptoms; Harry hits a wall in his attempts to complete the academy firefighting exam and looks for some much-needed motivation.
Harry's first day as a probie proves to be more challenging than Chimney expects; Eddie and Hen are called into court over a former patient that brings back some old demons.
The 118 hosts an LAFD charity bachelor auction that brings up a few concerns from Buck.
Maddie and Buck are blindsided by some unexpected news that turns their world upside down; Buck and Eddie head to Nashville when they are selected to participate in the national firefighting games.
Eddie and Buck's flight back to Los Angeles is cancelled following the National Firefighter Games; hoping to be home for Hen's birthday, Eddie and Buck decide a cross-country road trip is the fastest way, until Buck goes missing.
Buck tries to manage the trauma following his kidnapping on his own; May tries to secure her first law internship without the help of her mother.
While in Florida caring for her ailing father, Athena and Bobby investigate the disappearance of her childhood friend from 45 years ago.
The 118 races to the rescue when a birdwatcher is trapped under a tree; Chimney is in for a wild ride when he tends to a drunken driver; Maddie helps a mother and her young daughter when an abusive father shows up at their house.
Athena investigates when the same house is hit with two home invasion 911 calls within hours of each other; the 118 race to the rescue when a man is trapped in an attic; Hen asks for a second chance with her medical school professor.
Hen fears for Karen's life when an explosion rocks her science lab on the day she brings Denny to work with her.
A series of ransomware threats leads to emergencies for the 118, including a helicopter crash at a hospital and an air traffic control tower system failure; the case of the realtor serial rapist goes to trial.
The 118 springs into action when a citywide blackout and a record heat wave causes mayhem in Los Angeles; Chimney confides in Hen about Maddie's condition; Athena's worst nightmare comes true.
As the citywide blackout continues to cause mayhem in Los Angeles, Athena races to save her family from a tragedy; Eddie must make a difficult choice about his future; Maddie makes a life-changing decision.
A truck crashes into a high school homecoming parade; Athena and Michael try to help Harry in the aftermath of his kidnapping; May is intimidated by a returning call center legend; Bobby gives a devastated Chimney advice regarding Maddie.
A man over-exerts himself exercising; a groundskeeper is cut by his chainsaw; an explosion occurs at a retirement community; May gets an emergency call from a suicidal teen.
Responding to a fire at a prison, Bobby and the 118 find themselves trapped in a deadly riot.
Athena and the 118 race to the rescue when a fading movie star is plagued by a series of near-death experiences.