9-1-1

In honor of Bobby Nash's sacrifice, the 118 comes together to dedicate the firehouse in his memory. Meanwhile, 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 revisits a painful part of her past while responding to a call, and Buck coaches Harry as he prepares for the firefighter CPAT test.

Hen's attempts at keeping her mysterious health issues private are starting to impact more than just her physical well-being. Meanwhile, 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. Meanwhile, a new AI call center assistant, meant to help, has begun to create more complications, and the 118 must intervene.

As Hen continues to seek out a diagnosis for her mysterious symptoms, her friends and family rally behind her. Meanwhile, 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. Meanwhile, Eddie and Hen are called into court over a former patient that brings back some old demons.

When a medical examiner becomes entangled in a dangerous situation during an autopsy, the 118 is called in to assist. Meanwhile, the 118 hosts an LAFD charity bachelor auction.

The 118 team battles an "un-bee-lievable" emergency when a trailer with millions of bees crashes on the streets of Los Angeles, unleashing a swarm.

Athena is tasked with safely delivering a prisoner to testify on a high-profile case. Meanwhile, a light plane is hit by a swarm of bees and sent careening into a passenger plane. 

Athena's only chance of surviving and saving everyone on the flight is to attempt to land the plane before it crashes and call on the 118 for help.

When it finally looks like Hen and Karen may get their foster license back, they are hit with another obstacle. Meanwhile, the 118 races to the aid of a cheerleader involved in an infield collision. 

The 118 is once again working on the spookiest night of the year and missing out on all the tricks and treats. Meanwhile, Buck's Halloween decorations become a little scarier than he had hoped.

When a toddler falls down a pipe and becomes trapped, the 118 must rely on more than their skills to rescue him. Meanwhile, old wounds are opened when members of the 118 race to the aid of a man dealing with a divorce.

When Athena is assigned a rookie to mentor, she begins to question her own abilities. Meanwhile, Bobby and the 118 return to the set of "HOT SHOTS" following a 911 call. 

Things get messy for the 118 following a massive pipe explosion. Meanwhile, Athena investigates the brutal beating of a man found behind a grocery store, and Bobby's working relationship with Brad from "HOT SHOTS" just got a little more intimate.

The 118 responds to a fire at a local animal shelter and races to evacuate all the animals. Meanwhile, Maddie takes a 9-1-1 call that sets her on a quest for answers.

Following Maddie's mysterious 9-1-1 call, Chimney returns home to find his daughter alone and Maddie nowhere to be found; he then enlists Athena and Romero to help investigate. 

The 118 responds to a call at a mega-church, where Bobby runs into his estranged mother. Meanwhile, Buck is looking to expand his social circle now that Eddie has left.

Maddie's return to work proves to be more triggering than expected, as she may have returned too soon. As Eddie struggles to adapt to his new surroundings, Christopher discovers him in an unfamiliar situation.

After the 118 responds to several calls from the same person, Hen steps in to offer them advice. Meanwhile, Eddie confronts his parents and takes a big step in his relationship with his son.

In part one of a two-part episode, the 118 is called to a research lab that has been set on fire and becomes a biohazard.

Athena and Buck are in a race against time to rescue the rest of the 118 following the fire in the biolab.

Following the tragic events at the lab, the 118 must come together to lay their fallen hero to rest; despite her own grief, Athena re-investigates the death of a child to help a grieving mother.

Following an earthquake, the 118 races to the scene of several unusual fires and must figure out their cause before anyone else is hurt.

The 118, still reeling from their recent loss, is dispatched to a mass casualty event after a high-rise apartment building collapses. Then, Athena and Chimney have to work together to save a familiar face.

Athena and Bobby set off on their honeymoon cruise, but when duty calls, their vacation is put on hold. Meanwhile, a fighter jet traps a civilian, and an unusual incident leaves a couple stuck together.

The disastrous cruise continues when Bobby and Athena respond to the ship's explosion, racing to aid injured passengers; Hen questions her instincts in a life-taking call and grows concerned about Athena and Bobby's whereabouts.

With each moment becoming critical as the ship is flipped upside down, Athena and Bobby take charge, seeking methods for rescue while navigating efforts to guide survivors to safety. Meanwhile, Hen defies protocols in her search for Bobby and Athena.

Upon her return to shore, Athena's son, Harry, finds himself in trouble with the law. Meanwhile, Buck grows envious as Eddie forms a close bond with someone else, and the 118 rescue a woman who's stuck on receiving a rose at an iconic mansion.

Hen and Karen welcome a new addition to their family, while a call unfolds involving a person's limb that's taken on a mind of its own. Meanwhile, Eddie and Marisol take a closer look at their relationship, and Buck navigates his new feelings.

After years of anticipation, Maddie and Chimney's long-awaited wedding day arrives. However, when the groom mysteriously vanishes, the 118 races against time to ensure he doesn't miss the most crucial day of his life.

Maddie and Athena investigate a case surrounding an abducted mother and child as Hen and Karen learn more about Mara's family history. Meanwhile, Eddie grapples with unresolved feelings for someone from his past.

After a victim of the apartment fire that changed Bobby's life resurfaces, he searches to make amends. Driven by his need to right past wrongs, Bobby delves deep into memories of his childhood, unearthing moments from his fractured past.

The 118 and Tommy are presented with the Medal of Valor for their work on the cruise ship rescue; Hen and Karen encounter an unforeseen hurdle in their foster care journey; Eddie's emotional affair develops further.

Following the devastating fire at the Nash home, Bobby's fate remains uncertain, while Athena embarks on a mission to uncover the truth. Meanwhile, Hen and Karin engage in a heated custody battle, while Christopher grapples with forgiving Eddie.

When a blimp suffers mechanical failure and its engine catches fire, Athena and the 118 must rescue victims both inside and outside a packed sports stadium. Bobby and Athena drop off May on her first day of college and discuss honeymoon plans, while Maddie and Chimney go to couple's therapy.

The 118 race to the rescue when a structure collapse at a "happiness convention" traps people under rubble. While on FaceTime with her mom, Athena's father suffers a stroke and crashes through the wall of his house. Hen stretches herself too thin with test prep and her new responsibilities at the 118, while Maddie tries to help a new recruit get his bearings at the call center.

While in Florida caring for her ailing father, Athena and Bobby investigate the disappearance of her childhood friend from 45 years ago.

The 118 race to the rescue when a birdwatcher is trapped under a tree. Chimney is in for a wild ride when he tends to a drunk driver; Maddie helps a mother and her young daughter when an abusive father shows up at their house; Eddie catches Christopher in a lie; Buck begins a year of "yes to possibilities" and immediately receives an interesting proposal from a former roommate.

Athena investigates when the same house is hit with two home invasion 9-1-1 calls within hours of each other; The 118 race to the rescue when a D-I-Y home renovation traps a man in an attic; Hen asks for a second chance with her medical school professor; Maddie and Chimney regret hiring a nanny for Jee-Yun after the woman completely takes over their apartment.

Hen fears for Karen's life when an explosion rocks her science lab on the day she brings Denny to work with her.

Athena and the 118 race to the rescue when a fading movie star is plagued by a series of near death experiences.

The 118 race to the rescue to a renaissance faire; then an office building. when an overbearing boss is poisoned; Athena fears for May's life when she encounters a disturbed young man; Uncle Buck babysits young Jee-Yun as Maddie and Chimney begin house-hunting; Eddie and Carla prepare Christopher for his first school dance.

The Santa Ana winds bring in a variety of weirder-than-usual emergencies as the 118 respond to a family dog retrieving a severed hand and a young woman sleep-driving into the station. Bobby worries about his AA sponsor; Denny questions Hen and Karen about his biological parents; and Chimney thinks he's found the perfect house for him and Maddie.

A dry thunderstorm rolls over LA, bringing in a series of lightning strike emergencies for the 118 and leaves a first responder's life hanging in the balance. Athena and May go undercover at the rehab facility to help Bobby with his investigation into his sponsor's mysterious death. Maddie dreads her parents visit to her and Chimney's new and unfinished house, while Chimney get a surprise of his own from a visiting Albert.

As Buck's life hangs in the balance, he dreams of a world where he never became a firefighter, for better and worse.

Despite the case being closed, Bobby is determined to prove his AA sponsor was murdered and bring his killer to justice. Meanwhile Buck struggles with his post-traumatic stress.

The 118 race to the rescues with emergencies at a spin class; in a hair salon and to a husband and wife in a compromising position; Buck discovers new cognitive abilities post lightning strike; Hen and Karen are concerned when they find out Denny has been seeing his biological father behind their backs; Maddie and Chimney enlist Athena and Bobby's help with a suspicious neighbor.

The 118 race to the rescue at emergencies at a commercial bakery and a bodybuilding competition; Bobby's annual performance reviews sends Chimney to the firefighter academy where he runs into a familiar face; Eddie's aunt gets involved in his personal life; Maddie helps a nervous teen suffering a panic attack.

The 118 race to the rescue at emergencies when a fire breaks out in an accountant's office and a car crashes into a "living funeral." Athena is shocked when a suspect dies in her custody minutes after she arrests him; Buck is attracted to a death doula; Maddie and Chimney panic when they are audited by the IRS.

The 118 race to rescue two roommates desperately trying to find a needle in a haystack at a landfill, and help a woman whose nightmare dream suddenly becomes a painful reality. Athena and Maddie team-up to find a missing boy in a crowded mall; Chimney debates if the time is right to propose to Maddie.

Athena and the 118 race to rescue when a wedding proposal tragically intersects with a bank robbery, and then when a princess bride is literally stuck on her way to the altar. Athena talks a victim thru her grief; Maddie takes matters into her own hands as Buck finds a surprise visitor on his doorstep.

A series of freeway car accidents leads to a catastrophic overpass collapse that endangers the lives of civilians and members of the 118.

A series of ransomware threats leads to an overabundance of emergencies for the 118, including a medevac helicopter crash at a hospital and an air-traffic control tower system failure. Meanwhile Athena must revisit her traumatic attack when the case of the realtor serial rapist goes to trial, Eddie suffers a health scare and Maddie's postpartum depression worsens.

The 118 springs into action when a city-wide blackout and a record heatwave causes mayhem in Los Angeles. Meanwhile, Chimney confides in Hen about Maddie's condition and 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. Meanwhile, Eddie must make a difficult choice about his future and Maddie makes a life-changing decision.

The members of the 118 arrive on the scene after a truck crashes into a high school homecoming parade. Meanwhile, Athena and Michael try to help Harry in the aftermath of his kidnapping, May is intimidated by returning call center legend and Bobby gives a devastated Chimney advice regarding Maddie.

The members of the 118 face an awkward rescue call when they arrive on the scene of a man who has over-exerted himself exercising. The team also must save the life of a groundskeeper whose chainsaw cut into him and race to an explosion at a retirement community. Meanwhile, Athena has an extreme reaction to Harry's new behavior. Then, Hen and Eddie, as well as Buck and Ravi, have rocky starts to their new partnerships, and May receives an emergency call from a suicidal teen, while continuing her uneasy work relationship with Claudette.

Responding to a fire at a prison, Bobby and the 118 find themselves trapped in a deadly riot.

The members of the 118 race to rescue a man who claims he was carjacked, shot and buried alive. Hen receives a visit from the past and Athena and family are concerned that Harry is still haunted by visions of Jeffrey.

Bobby and the 118 race to save lives after an explosion rocks the hospital where Dr. David Hale is performing surgery. Meanwhile, Michael makes a life-changing decision.

Bobby and the 118 race to the rescue when an abandoned oil well erupts and causes a massive sinkhole in downtown LA. Athena investigates a 30-year-old cold case involving a casino robbery. Buck fears his relationship with Taylor might be ending, and Hen meets a man from her mother, Toni's, past.

The members of the 118 are called to series of emergencies around Christmas Eve. Then, Eddie struggles with an emotional Christopher.

Athena, Bobby and the 118 "speed" to the rescue to save a family whose pick-up truck has been rigged with a pipe bomb which will detonate if the vehicle slows under 55 miles an hour. Meanwhile, Eddie has a rough transition into his new job, Buck makes an impulsive relationship decision and Hen is reluctant to accept her new partner in Chimney's absence.

Chimney is determined to find a missing Maddie amongst the chaos of St. Patrick's Day.

Athena investigates a robbery at a gas station that takes an unexpected turn when the would-be victim turns the tables on her assailant. Meanwhile, Bobby and the 126 race to rescue a novice diver who panics while in a shark cage, and a house sitter terrified of spiders. Then, Eddie reaches his breaking point, Chimney returns to the 118 and Maddie shares some news with Buck, who realizes he has to come clean with Taylor.

The members of the 118 race into action when a women falls over her penthouse balcony. Meanwhile, Athena investigates when a bike rider is impaled on a stop sign, Eddie begins his therapy for his PTSD and survivor's guilt and Maddie fears the worst when Jee-Yun falls ill.

The members of the 118 race to the rescue of a social media influencer when she has an accident in a sauna, then to an emergency at a reality show wedding, and finally a tragedy when a mother and her daughter go hiking. Meanwhile, Maddie worries she has missed too many firsts with Jee-Yun, May questions Athena's career path and Hen and Karen attempt to recapture the fun in their relationship.

The 118 races to the rescue when the 9-1-1 Call Center goes up in flames. Then, Bobby risks his life to save a trapped May and Claudette, Buck and Eddie work together to help an injured electrician and Chimney and his brother team up as firefighters for the first time.

After a mysterious death, Hen and Chimney put their lives in danger when they suspect that someone is playing God to make themselves look like a hero. Meanwhile, Eddie visits Texas, where he attempts to reconcile with his father.

Another day in the life of the 118, as its members race to rescue a cliffside wellness retreat guru after his followers turn on him. Then, they respond to an emergency call at an upscale hair salon. Meanwhile, Maddie contemplates returning to work, Eddie and May make decisions on their future, as do Buck and Taylor, and the 118 gathers for a surprise wedding.

When the Hollywood Reservoir dam breaks, Bobby and the 118 race into action to save passengers on a city bus that has crashed into a building several stories in the air. Maddie must first locate, and then rescue, a trapped cyclist, and Athena helps an agoraphobic woman evacuate her home. Meanwhile, the team adjusts to life as first responders during the pandemic. Bobby worries if Athena is ready for field duty since recovering from her physical and psychological injuries; Chimney takes extreme precautions around a pregnant Maddie; and May begins a surprising new job.

In the aftermath of the dam break, massive mudslides wreak havoc throughout Los Angeles. As Athena fights to save herself and an agoraphobic woman after her house collapses, Bobby, Hen and Eddie rush to save hikers endangered by the falling of the Hollywood sign. Meanwhile, Buck and Chimney must rescue a group of pregnant women trapped in a submerged house.

The 118 race to save a man under siege by his high-tech smart home, and a yoga teacher who has lost her vision. Athena hunts down a bank robber disguised by Covid protocols. Meanwhile, Buck confides in Maddie, Hen clashes with her antagonizing medical school lab partner and members of the 118's crew prep for an out-of-state mission.

Athena investigates a mysterious murder during a neighborhood block party and the 118 rush to save lives endangered by a bomb threat. Meanwhile, Chimney has a hard time keeping secrets when Maddie and Buck's parents come to town.

The 118 race to save the lives of workers trapped in a five-alarm factory fire. Meanwhile, Maddie reveals a painful family secret that causes Buck to confront his childhood and answer why he is the daredevil he is today.

The 118 believes their fabled firehouse superstition has come true when they have the day from hell with a never-ending series of bizarre emergency calls - Athena is in hot pursuit of a 118 firetruck; a man who duct-taped himself to freeway billboard, a garage full of fireworks and a restaurant manager destroying his own business. Meanwhile, Eddie feels a spark with Christopher's former teacher, but admits to Bobby he may not be ready to move on in his personal life just yet.

The 118 rush to save a man pinned under a Humvee, and a garage band that rocks out too hard. Enlisting Bobby and Athena's help, Michael installs a new "rear window," and turns into an amateur detective after noticing strange behavior at a nearby apartment. Meanwhile, Hen's mother unexpectedly arrives and announces she is moving to LA, and Buck's re-entry into the dating pool ends in disaster.

The 118 are called to the tarmac when a flight attendant reaches her limit with her flight's passengers. Athena discovers that quarantine has pushed a couple to their breaking point. Meanwhile, Eddie worries Christopher will not accept him dating, Buck reconnects with an old flame and finds himself in the middle of Albert's new relationship and Maddie and Chimney make a big decision about their baby.

Athena and the 118 race to save lives after a drunk driver causes a deadly pile-up on the freeway. Meanwhile, Maddie goes into labor and Hen and Karen are devastated as they prepare their foster daughter, Nia, to be reunited with her birth mother.

The 118 responds to a series of calls dealing with parents and their children, including a disastrous birthday party thrown by a mommy blogger. Meanwhile, Athena and Michael talk to May about her past suicide attempt, Chimney and Maddie adjust to life with their newborn, and Hen and Karen are emotionally shattered as their foster daughter, Nia, is reunited with her birth mother.

The members of the 118 rush to the site of a hit-and-run that leaves a familiar face in critical condition. Meanwhile, with Buck's help, Athena investigates the case of a missing woman last seen in a casino and Josh recalls an emergency in 2006 that led him to become a 9-1-1 operator.

When a famous mystery writer dies, Athena, Bobby and the 118 respond to the chaos caused by a city-wide manhunt for buried treasure the author left behind.

The members of the 118 make calls to save a bridezilla at a disastrous wedding and to a mother trapped on her balcony. Meanwhile, Hen plays medical detective when her mother, Toni, falls ill. Also, Eddie and Christopher receive a visit from Carla, Athena uncovers a secret Bobby has been hiding that puts their marriage on the rocks and Maddie struggles with adjusting to motherhood.

In the aftermath of the shooting, Athena and the 118 are on high alert when a sniper is targeting members of the LAFD. Meanwhile, Maddie makes a life decision.

Athena enlists the 118's help when a teenager speeds out of control on the freeway. Meanwhile, a routine traffic stop uncovers a shocking kidnapping and Buck struggles with his recovery.

A massive tsunami hits the Santa Monica Pier, placing Buck and Christopher's lives in danger.

Athena, Maddie, Bobby and the 118 races to save lives after a massive tsunami hits the Santa Monica Pier and Buck fears the worst when Christopher goes missing.

The first responders race to save workers in a high-rise during a fire drill; a mother and her sons involved in a perilous car accident; and squabbling siblings fighting over a family heirloom. Meanwhile, Buck delivers surprising news to Bobby, Eddie helps Christopher cope with the trauma of the tsunami, Hen and Karen debate expanding their family and Maddie decides to take action against a possible wife abuser.

The 118 races to help protesters at a slaughter house, and a wife who finds herself trapped in a "rage room" with her husband's mistress. Meanwhile, Athena takes action after Michael, May, and Harry experience a traumatic traffic stop. Also, the team feels betrayed by Buck when his suit against the city goes to arbitration and Eddie turns to Lena in his struggles with his anger issues.

Athena and the 118 respond to bizarre emergency calls on Halloween, including a flock of crows terrorizing a field trip, an office employee having a close encounter with an eight-limbed creature and a ghost-like girl wandering a neighborhood. Meanwhile, Maddie remains convinced that she is doing the right thing in taking a 9-1-1 call into her own hands.

When a murder weapon from a case close to Athena in the early '90s resurfaces, flashbacks to 1989 show how Athena joined the LAPD and became the police officer she is today.

Emergencies include a skating mishap at an ice show, an accident involving a self-driving car and a fulfillment warehouse robot going rogue. Meanwhile, Eddie's after-hours fight club gets out-of-control and Hen struggles in her relationship with Karen

The 118 responds to debris from a meteor shower crashing into an apartment building and a deadly fire caused by a hazardous waste truck crash inside a tunnel. Meanwhile, Hen struggles with guilt over her ambulance accident, Bobby introduces Eddie to an old friend to help with his anger and Maddie receives an urgent call for help.

The 118 responds to holiday-themed incidents, including a shopper pushed over the edge, a woman who is literally having a "Blue Christmas" and a luggage handler accident on a tarmac. Meanwhile, Maddie revisits her past to embrace her future and Bobby receives shocking news.

The 118 responds to a skydiving trip gone wrong, a bank rep injured in a home repossession and a lovestruck assistant whose lunch run ends in disaster. Meanwhile, Athena and the family come to terms with Michael's difficult health decision and Chimney's half-brother from Korea unexpectedly shows up at his doorstep.

The 118 responds to a viral stunt gone haywire and an epic first date fail. Meanwhile, Athena investigates a woman who doesn't remember being shot in the head and Eddie is forced to have a difficult conversation with Christopher.

The 118 responds to accidents at a bowling alley and a home renovation. Bobby and Michael take Harry camping and Chimney and Maddie rush into action when their romantic dinner date takes a wild-turn

Maddie fears for herself and her co-workers when the call center is taken hostage.

Eddie's journey to rescue a boy from a well turns into a mission to save himself from his past.

The 118 fights an apartment building blaze and attempts a daring rescue of a blind woman trapped inside. When Athena responds to a simple accident call, she discovers a potentially more sinister crime. Meanwhile, Hen performs a risky medical procedure after an accident at a televised cooking show and Buck meets a retired firefighter and is inspired to reunite him with his lost love.

The 118 races to rescue a little girl in a runaway hot air balloon and help with a city power outage caused by a hijacked tree-trimmer truck. Meanwhile, Athena's investigation into the serial rapist case puts her life in jeopardy.

The 118 rush to save lives in the aftermath of a massive train derailment.

On one of the hottest days of the year, the first responders feel the pressure as harrowing incidents keep happening around the city, including a road rage accident involving a van full of tourists, an emergency at an auto-repair shop and a veteran with a live grenade embedded in his leg. Meanwhile, Buck gets a surprise visit from his sister, Maddie. Also, Athena questions her relationship with Bobby. Then, at the fire station, handsome new hire Eddie jeopardizes Buck's chances of being chosen for a fireman calendar.

When a massive earthquake rocks Los Angeles, the first responders rush to rescue victims from a crumbling high-rise hotel both under the rubble and high above the ground. Athena must deal with wreckage from a collapsed freeway overpass and Maddie is thrown into the fire as she faces her first crisis as a 911 dispatcher.

The first responders continue to deal with the fallout of a massive earthquake and its deadly aftershocks. Athena tries to keep the peace as Bobby and team continue to rescue victims from a collapsing high-rise hotel, both under the rubble and high above the ground. Maddie's first day on the job involves helping a pregnant couple deliver their baby safely.

The first responders race to rescue victims trapped in various tight spots. Meanwhile, Athena contemplates accepting a promotion that will take her out of the field, and Chimney finally deals with the aftermath of his near fatal car crash. Also, Eddie turns to the crew for help with his young son.

Wanting to see the faces behind the 9-1-1 calls, Maddie goes on a ride-along with Athena, while dealing with a seemingly "perfect" dispatcher back at the call center. Meanwhile, Hen must figure out how to save her family from permanently falling apart, and the first responders deal with emergencies both at a military funeral and a movie theater.

When the first responders race to the rescue of a crashed news copter, they unwittingly become the subject of an eager reporter's first on-air assignment. Meanwhile, Bobby tries to deal with his daughter's death, as Athena prepares for May's homecoming dance. Then, Maddie struggles to let go of her fear of the past. Also, the team responds to emergencies at an eating contest, a bodybuilding competition and a toddler pageant

Halloween finds the first responders racing to the rescue at a cemetery, a haunted hayride and a spooky Hollywood parade; Meanwhile Maddie thinks she has received a "ghost" call from a missing hiker; Hen finds herself facing with a life or death situation with the father who abandoned her; Eddie reconnects with his estranged wife.

Buck jumps back into the dating scene but fears he will return to his pre-Abby scoundrel-ous ways, while questioning if Maddie and Chimney are more than just friends. Emergencies involve a woman goes to great extremes on top of a freeway overpass to get the attention of her husband; A couple are involved in a car accident on their wedding day and a first date goes down the toilet.

Hen relives her evolution into the firefighter she is today as she recalls the first times she met Chimney and Athena.

The holidays are naughty and nice for the first responders, who must deal with a stampede at a toy store, a mistletoe stunt gone awry and neighbors competing in a Christmas-light showdown. Meanwhile, Bobby contemplates his future with Athena, Chimney and Buck attempt to lift Maddie's spirits and Eddie must decide if he wants to give his son what he really wants for Christmas – a visit with his mom.

Bobby meets Athena's parents for the first time and Maddie attempts to end her marriage for good, causing Doug to insinuate himself even deeper into Chimney's life. Meanwhile, a tanker carrying a tiger shark crashes on the freeway and a gas leak in a plastic surgeon's office happens mid-surgery.

Look back at how Chimney joined Station 118 and became the firefighter and paramedic he is today.

The First Responders rally together to search for a missing Maddie.

When Metro LA's 9-1-1 system is hit with a massive system-wide power outage, the call center must go old school in responding to emergencies. The first responders must deal with explosions in multiple homes and a difficult child birth. Meanwhile, Michael confronts Bobby about parenting his kids.

A going-away party for a bank manager turns into an emergency, and then a mystery, as the first responders are accused of pulling off a daring heist.

After his devastating family tragedy in Minnesota, Bobby Nash moves to Los Angeles to start over, where he becomes Captain of the 118, and meets Athena Grant for the first time.

The first responders deal with a calamity at a chocolate factory and a mail bomb explosion. Meanwhile, Eddie receives some surprising news from Shannon, Maddie contemplates her future in the call center and tragedy strikes the 118.

The 118 responds to calls from a stunt driver caught in a hairy situation, a teenage social influencer who is bugging out and the city is on high alert after two mail bombs go off. Meanwhile, Eddie's family comes to town and Buck faces a life or death situation.

It takes a team of people to help answer the famous question, "911, what's your emergency?" Detective Athena Grant works as a member of the police force, handling cases that require her sharp mind and expertise, while also trying to juggle her own family drama. Bobby Nash and his team of firefighters help execute the daring rescues that often come along with these life-threatening situations. Meanwhile, Abby Clark spends her days taking and fielding emergency calls at the 911 call center, but constantly desires to know what happens after she sends help.

A night at an amusement park takes a deadly turn when a rollercoaster malfunction leaves lives hanging in the balance. Abby is relieved after getting some help taking care of her mother and tentatively reaches out to Buck, who is struggling with the "life or death" nature of the being a firefighter. Meanwhile, Athena and Hen respond to an unusual home invasion and a couple's dispute leads to a dramatic rescue for Bobby.

Bobby and his team respond to an emergency at a children's birthday party that leaves lives hanging in the balance. The crew jumps into action after one of their own is involved in a devastating accident. Athena tries to cope with a tragedy that hits way too close to home and Abby is confronted with a life-changing decision for her mother and makes a connection with Buck.

In the aftermath of a deadly plane crash, Bobby and team race to help the survivors, while Athena deals with panic and chaos at the airport. Bobby confronts his past demons; Athena is out for revenge against a group of teen bullies; and Abby delivers an important message from a 9-1-1 caller.

The crew races to an emergency when disaster strikes at an Indian wedding. Abby enlists the help of Buck to try and find her mother and, for the first time, meets Athena face-to-face. Meanwhile, Bobby has a difficult time confronting his past and Hen struggles to make the right decision.

On Valentine's Day, a surprise marriage proposal goes awry with dangerous consequences. Athena attempts to help a desperate woman and unintentionally joins the Lonely Hearts Club. Bobby and Chimney pull holiday duty and learn about the "Casanova Fracture" and Abby and Buck go on their first official date.

A full moon keeps the crew busy with some of the craziest calls yet, as Athena investigates a potential home invasion and "faces off" against a rabid criminal. Meanwhile, Abby helps investigate the murder of a caller, Bobby and Buck have their hands full at a yoga studio for pregnant women and Hen's past may become her future.

What goes around comes around for an unremorseful widower, an arrogant fitness club owner and an unsuspecting thief. Meanwhile, Bobby gets a surprising phone call from his doctor after donating at Chimney's blood drive, and Athena confronts Michael after having a heart-to-heart with their kids.

The first responders race to help a homeless man crushed in a garbage truck, a mother and son in a crashed elevator and extreme hoarders entombed in their house. Meanwhile, Athena jumps into to the dating pool, as Buck and Abby's relationship is tested by her ailing mother.

The first responders take calls to help an unusual domestic disturbance, a "death" at a psychic's and a horrific motorcycle crash. Meanwhile, Bobby dips his toe into the dating pool, Abby takes a walk down memory lane, Buck is confronted by his past actions and Athena tries to start her new life.