The SWAT team faces difficult reminders of a past school shooting when they receive a warning that a copycat plans to re-enact the crime. As the team races to stop the new threat, they flash back to the day of the tense first mission.

Hondo and the SWAT team rally to support Street when he puts his life on the line to help his foster brother Nate break away from a drug ring.

The abduction of Luca and Street’s neighbor sends the SWAT team in pursuit of a home invasion crew targeting domestic workers to gain entry into upscale homes. Also, the SWAT division prepares to help Mumford mark a major career milestone.

SWAT faces their deadliest adversary yet when a violent cell of extremists looks to extract vengeance by blowing up half of Los Angeles, potentially killing thousands.

When control of a university chemistry lab is seized, the team races to thwart a devastating terror attack.

The SWAT team undertakes its final mission when a violent crew of ex-pat Russian mercenaries holds LA hostage after planting hundreds of explosives across the city.

When bodycam footage left at a local news station seems to show Hondo shooting two police officers, he is forced to go on the run while the team works to clear his name.

In the aftermath of his decision to speak out in the press, Hondo retreats to a quiet town in Mexico to reassess his life and professional future, only to find himself reluctantly drawn into one local family's fight for justice.

The SWAT team goes in pursuit again of the militant group The Emancipators, when the criminals hold a live stream kangaroo court to publicly execute city politicians. Also, Hondo fights to lift Darryl’s spirits; Deacon feels unworthy as he prepares to receive one of the LAPD’s highest honors; and Street catches a break in the search for his missing parolee mother.

Street is caught between his duty to SWAT and his commitment to his foster brother, Nate when Nate is ensnared in a criminal enterprise that could ruin them both. Also, the SWAT team goes after a ruthless crew that uses deadly force while stealing from card casinos, and Buck approaches Deacon to partner on a private security opportunity.

Hondo and the SWAT team race to save Buck, their former unit leader, when he goes off grid and they fear he plans to harm himself. Flashbacks reveal the search for Buck, which coincides with one of the team’s most brutal missions, as each team member receives counseling and discusses the untold mental and emotional difficulties inherent to working in SWAT.

When Deacon enlists Chris’ help on an off-duty private security detail, they struggle to survive when they’re attacked by a drug cartel looking to kidnap their wealthy VIP client, on the new day and time.

The SWAT team finds itself under internal investigation after a civilian is killed as they attempted to bring in the city’s most wanted criminal. As the mission details are revealed, the force’s internal affairs team calls Hondo’s leadership into question.

The bombing of a Los Angeles police station puts the city on edge, leading the team to a final showdown with a group of domestic extremists. Also, Hondo faces the fallout from a bold decision that threatens his future, and Tan takes a big step in his personal life.

As the SWAT team goes inside a prison riot to rescue civilian hostages, Hondo suspects the inmates have an ulterior motive behind the uprising. Also, when Deacon’s wife, Annie, stops by headquarters to celebrate Deacon’s 10th anniversary with the SWAT division, her visit takes an unexpected turn.

When a plane carrying Street and the dangerous prisoner he's transporting is hijacked, the team races to save the innocent passengers onboard -- and one of their own; Hondo takes a big step in his relationship with Nichelle.

Deacon’s family gets caught in the crosshairs of a drug cartel when he and the SWAT team aim to bring down its leader, a former foreign rebel force leader running drugs in plain sight via a local flower market. Also, Hondo receives troubling news regarding his father, and Tan is forced to go before an internal review board due to his girlfriend’s indiscretion.

Still in Mexico, Hondo teams up with a local cop for a dangerous rescue mission, only to find himself with a target on his back. Also, back in Los Angeles, Hicks considers disbanding the team for good.

The team works with the DEA and their iron-jawed leader, Mack Boyle, to stop a ruthless cartel boss waging war on the streets of Los Angeles as he exacts revenge on those who killed his son.

S.W.A.T.'s anti-terror sting operation at a bus station is thrown into chaos when felons, fleeing the police, burst in and take the bus station hostage; Bennett redoubles her efforts to force Hicks out as S.W.A.T.'s commander.

When armed gunmen storm the set of a controversial cable news show that promotes conspiracy theories, the team races to prevent a hostage situation from escalating on live TV. Also, Chris supports Street as he prepares for his mother’s funeral.

The SWAT team searches for a group of drug smugglers who crash a plane in a Los Angeles suburb and scatter, after a joint mission with the DEA to stop the shipment goes awry. Also, Hondo tries to make amends with Nichelle, Luca experiences anxiety about his return to the field, and Deacon hesitates when asked to speak to a group of recruits about mental health.

Hondo has a tense reunion with a fellow Marine, Ruiz, when the team hunts an escaped convict who was broken out of prison by criminals using stolen military weapons; Chris prepares for a difficult goodbye when her former K-9 partner becomes ill.

The SWAT team pursues a couple reminiscent of Bonnie and Clyde, when the duo goes on the run and on the hunt for a set of rare chest pieces worth millions. Also, Hondo and Darryl are surprised when Darryl’s ex-girlfriend visits with his young son, and Luca confronts his fear of failing his requalification to return to the field as he helps Kelly, his mentee.

Hondo, Deacon and Tan team up with Thailand’s elite S.W.A.T. team to stop a ruthless drug lord whose heroin operation has far-reaching ties to Los Angeles.

The SWAT team races to locate the next place a lone gunman will strike while he is at large in Los Angeles. Also, Hondo takes some time away from the team to pursue an investigation that hits close to home, and Jessica is presented with an unexpected opportunity.

Hondo and Deacon must apply all their SWAT training and skills to evade a gang of armed mercenaries hunting them in the Angeles Mountains following an ambush. Also, Chris oversteps in an attempt to help a female SWAT trainee she suspects isn’t being evaluated fairly.

Hondo and Lina go undercover to infiltrate and take back a cruise ship that’s under siege by drug smugglers who will execute passengers if they detect police on board. Street enters the SWAT Training Academy and finds the competition fiercer than he expected.

When a home invasion turns deadly, the team embarks on a race to track down priceless antique artifacts before any more lives are lost; Leroy enlists Hondo's help after an overdose hits close to home.

A fake 911 call puts Hondo and the SWAT team on the hunt to stop a white supremacy group from executing bombing attacks on local communities. Also, Street’s relationship with his recently paroled mother, Karen, jeopardizes his career, and Jessica is thrown a curveball by her colleague, Michael Plank, president of the police commission. Hondo’s father, returns Daniel Harrelson, Sr. 1st.

When Hondo learns there’s a $1 million bounty on his head, 20-Squad must race to uncover the mysterious enemy from Hondo’s past who’s intent on revenge. Also, Deacon and Tan butt heads over Tan’s changes to S.W.A.T. academy.

When Hondo’s cousin goes AWOL from his Marine base during basic training, Hondo, Deacon and Daniel Sr. take a road trip to get the kid in line; Alfaro plots to work outside the law when he discovers that his mother’s abusive ex is back in her life.

20-Squad faces down a prison hostage situation, only to be thrown into deeper danger when a bomb explodes, freeing maximum-security prisoners from their cells, including someone with a personal grudge against Hondo.

The job becomes personal for Hondo when his criminal informant friend is killed while seeking information about a robbery crew that a joint SWAT and FBI task force is trying to capture. Also, when the FBI task force leader acts erratically, Jessica worries the woman’s behavior will endanger the team in the field.

The SWAT team searches for a link between the seemingly unconnected victims of a lone gunman targeting women. Also, Luca assists with a homicide investigation in his neighborhood; Lieutenant Lynch pushes Chris to do a news interview; and Hondo reaches a juncture in his relationship with Nichelle.

The SWAT team tries to zero in on the next target of a carjacking ring that’s using deadly force to boost luxury vehicles all over Los Angeles. Also, Hondo takes a big step to help his childhood friend’s incarcerated son, Darryl, and SWAT team leader Mumford weighs a major decision.

After the shocking shooting of a member of 20-Squad, Hondo and the team launch a citywide manhunt for the robbery crew responsible. Meanwhile, Deacon's plans for his future hit a snag, and Powell and Alfaro clash over a tricky issue.

The SWAT team discovers a new version of PCP with ties to an escaped drug dealer who created a version that ravaged the city decades earlier. Tan’s personal ties to the case emerge when he brings in his mentor, Ben Mosley, the former lead detective on the original drug case, to help. Also, Chris weighs a major decision regarding her romantic relationship with Kira and Ty, and Hondo’s patience is tested by his new familial responsibilities.

When four escaped prisoners take control of a courthouse with Hondo and Deacon inside but unarmed, the two race to save the lives of innocent civilians while trying to avoid detection themselves. Street visits his mother in the hospital and faces a pivotal decision.

The squad races to find a missing child who was abducted from her front yard; Hicks is faced with a difficult decision concerning Gamble.

The SWAT team goes on the hunt for a sniper who is targeting the Los Angeles Fire Department by setting fires around the city to lure in unsuspecting engine companies. Also, the rivalry between Chris, Street and Tan ratchets up when Tan finds out there’s an internal betting pool on which of them will win the SWAT leadership competition. And, Street and Molly’s relationship is strained by his complicated history with his imprisoned mother.

Deacon’s second job working private security at a high-profile boxing match places the SWAT team in the middle of a kidnapping case when a prize fighter’s wife is abducted. Also, Hondo’s young charge, Darryl, becomes frustrated with his lack of paternal rights regarding his infant son, and Tan prepares to introduce his critical mother to his girlfriend, Bonnie.

A high-stakes domestic disturbance involving a father and his two young daughters leads the team to race against the clock to save a group of international activists.

While training with Long Beach SWAT, Street discovers a biker club has stolen a cache of armor-piercing bullets and brings 20-Squad into the hunt for the gang before they can pull off a daring and deadly heist. As Hondo struggles with changes at work, Nichelle finds herself at odds with her former colleague Bruce.

The SWAT team tries to determine the next diamond dealer to be robbed by a group of highly organized thieves executing heists across downtown Los Angeles. When Hondo is emotionally affected by a suspect’s death during the case, he seeks comfort from his mother. Street worries that his SWAT training academy instructor has a personal vendetta against him. Chris contemplates an unorthodox relationship offer from the new woman she’s dating.

The SWAT team searches for an escaped convict who plans to kill Tan and every member of law enforcement who helped put him in prison years ago. Also, Chris comes face to face with internal corruption when she arrests a young man who is given a free pass due to his powerful father, and a surprise visit by Hondo’s sister, Winnie, puts pressure on his relationship with Nichelle.

After an armed robbery crew invades a downtown auction house, the case quickly turns personal for Hondo when his sister, Winnie (April Parker Jones), is taken as one of the hostages.

After an explosive accident at a fruit-packing facility staffed by prison workers, six inmates escape and scatter across the city. Tasked with chasing down the fugitives, Hondo and 20-Squad discover that the worksite explosion was no accident, and that the escapees are working together to carry out a high-stakes robbery. Also, Commander Hicks packs up his office, preparing to vacate the SWAT commander's post, and Gamble gets sobering news about her jailed father.

The SWAT team bumps heads with Lt. Lynch when she signs them up for an off-book undercover operation to take down a local gang printing counterfeit money, without giving them enough time to prepare for the mission. Also, tensions rise at home for Hondo as his parents’ strained relationship becomes worse.

Hondo, his father Daniel Sr. and his teen charge Darryl confront the history of racial tension in Los Angeles between law enforcement and the Black community, through flashbacks to the city in 1992 following the Rodney King verdict. Also, the SWAT team pursues El Diablo’s scattered drug cartel hiding in the city and a Jihadist group detonating bombs in coordinated attacks,

When two students are brutally attacked, 20-Squad contends with a possible honor killing. Meanwhile, Hondo and Nichelle have their first parenting dispute while searching for a suitable daycare.

When back-to-back shootings at women's clinics leave two healthcare providers dead, Hondo and the team investigate whether the shooting were politically motivated.

A locally born SWAT sergeant, former Marine Daniel “Hondo” Harrelson, is newly tasked to run a specialized tactical unit that is the last stop in law enforcement in Los Angeles.

Following a string of violent home robberies, the team rushes to stop a crew targeting elderly victims; Hondo's longtime friend and former Marine squad leader Danny Wright turns to Hondo for help when his daughter goes missing.

When an armored truck heist ends in bloodshed, the team races to track down priceless jewels before more lives are lost; Hondo's mother, Charice, visits.

Hondo and the S.W.A.T. team race to stop a nuclear attack on Los Angeles when radioactive material is stolen from a local lab.

The team works together to hunt down a deadly band of mercenaries hired by a wealthy CEO trying to leave the country before he's arrested for running a massive Ponzi scheme; Hondo is forced to confront his changing relationship with Darryl.

As the SWAT team helps the LAPD search for the prime suspect in a woman’s disappearance, they’re joined in the field by a new team member. The personal strain between Chris and Street comes to a head as both await Hicks’ decision on who the winner is of a prestigious leadership competition.

When faced with a series of random shootings, one SWAT member’s family connections could be the key to stopping the next attack. Also, Hondo prepares to meet Nichelle’s parents for the first time, and Tan helps Luca navigate a sensitive situation.

Hondo and the SWAT team spread out across Los Angeles in pursuit of four escaped convicts, including a violent criminal Jessica helped bring to justice, before department rival Mumford and his team beat them to the collars. Also, Hondo’s new role as team leader is called into question when Street displays a flagrant disregard for SWAT protocol.

Hondo and Jessica’s secret relationship comes to a crossroads when Michael Plank, the president of the police commission, discovers their affair. Also, when Hondo and the team assist with the federal investigation to bring in an undocumented fugitive, they find themselves at the center of a citywide immigration debate.

The SWAT team searches for a rogue member of an extremist group planning to attack the memorial service of a famous musician who was outspoken about police brutality. Also, tension mounts between Hondo and Leroy, Darryl's father, when Leroy is released from prison early.

While hiking, Powell and Gamble discover an illegal marijuana farm and end up confronting a dangerous cartel.

Hondo is conflicted when the mayor asks him to be the public face of a new outreach campaign meant to improve the LAPD's stature within the Black community. Also, the team's search for a lone bomber reminds Tan of a difficult chapter in his childhood, and Chris pushes herself even further to surpass Street and Tan in a SWAT leadership competition.

When Hicks witnesses the assassination of his longtime friend, the team races to find the shooter and determine why he was targeted; Luca struggles with how to help his brother after he's arrested.

The SWAT team races to stop a gunman targeting rehab centers and those he considers responsible for his brother’s death. Also, Deacon is caught off guard when his wife, Annie, makes a parenting decision that has unexpected consequences for their daughter.

SWAT teams up with the DEA, led by Mack Boyle, to conduct a massive gang sweep, only to discover that a vicious cartel is planting roots in the city and endangering numerous lives. Also, Hicks marks an important anniversary.

When violent robbers loot a museum vault, Hondo and 20-Squad must chase down the thieving killers before they flee the country; Tan reckons with the fallout from a SWAT Academy accident; Gamble nervously awaits the verdict of her lA investigation.

The SWAT team struggles to maintain peace on the eve of a Los Angeles LGBTQ pride festival after a hate crime sparks citywide anger that ignites further violence. As Chris grows anxious for her fellow LGBTQ community members calling for retribution, the festival reunites Commander Hicks with JP, his estranged gay son. Also, Street worries his mother will be sent back to prison after she fails to check in with her probation officer, and Deacon gets unexpected medical news regarding his newborn daughter.

A blackout throws the city into chaos, forcing 20-Squad onto the streets for an emergency patrol day, which quickly escalates when Hondo and team uncover a terror threat.

20-Squad contends with a hostage crisis. Also, Hondo receives a family visit.

Tan is left reeling when his girlfriend is kidnapped, and 20-Squad must race to track down a violent cartel leader who may be behind the abduction.

The team participates in a joint task force with the FBI when a car bombing has ties to a terrorist group planning an attack in Los Angeles; a tragedy from Deacon’s past gives insight into the origins of his faith.

When a series of home invasions are committed by SWAT imposters in an upscale neighborhood, Hondo and the team suspect the burglarized families are all hiding something. Also, when Deacon and Luca are assigned to protect a visiting professional hockey player who is receiving death threats, his penchant for trouble becomes a complication. [also shown as S1:E6]

The SWAT team searches for thieves who are on the run with a high-tech thermal lance that can cut through almost anything. To find the thieves, SWAT works to identify their target. Also, Chris confronts an imbalance in her relationship with Kira and Ty.

Newcomer Jim Street jeopardizes his spot on Hondo's team when he agrees to do a favor for his incarcerated mother that endangers his SWAT career. Also, the SWAT team searches for the ruthless mastermind behind a drug trafficking ring that forces immigrants to be mules. [also shown as S1:E4]

As 20-Squad scrambles to track down a cold-blooded sniper terrorizing Los Angeles, Hondo discovers a link to his own South L.A. neighborhood that brings a personal twist to the hunt for the deadly shooter. Meanwhile, Tan finds himself questioning his leadership abilities while Powell and Alfaro compete in a classic game of SWAT tag.

When a misconduct complaint filed against Hondo gets him taken off active duty, Deacon steps up to lead the team in finding a robbery crew that is hitting marijuana dispensaries. Also, when Tan notices a similarity between the current robberies and a case from his time with Hollywood LAPD, he asks for help from an informant with whom he has a complicated history.

When violence erupts at a popular food truck festival, the team must contend with a deadly cartel determined to recover a large lost drug shipment at any cost.

Hondo and the SWAT team are forced to work over their Christmas vacation when a drug cartel is out for blood after their cache of gold bars is stolen. Also, Jessica draws the attention of Michael Plank, president of the Police Commission, when she approaches him with her ideas on how to improve the SWAT division.

Hondo and the SWAT team join forces with the FBI on a manhunt to find members of a militia group planning a domestic terror attack by weaponizing cyanide. Also, as Jessica’s new police initiatives with Michael Plank, president of the police commission, move forward, she braces herself for the negative impact the plans could have on her relationships within the department.

When a crew of violent eco-terrorists abducts the teenage son of an energy company executive, SWAT must untangle the kidnappers' twisted motives before carrying out a high-stakes rescue mission. Meanwhile, Hondo's involvement in a shooting draws outrage from the very community he's dedicated his career to protecting. And, as Deacon is called on to help with the escalating crisis, he's forced to confront nagging doubts about his retirement.

When the team discovers an illegal weapons dealer has sold stock to someone targeting a high-level politician, they rush to stop a deadly ambush.

When the team stops the flash-mob robbery of a department store, they fear the crime was designed to distract from something more sinister – murder. Also, Hondo enlists Street to connect with Powell after she ignores orders in the field.

During a trip to Bangkok to train alongside Thailand’s premiere S.W.A.T. team, Hondo and his former military buddy Joe (guest star Sean Maguire) stumble upon a wide-ranging heroin operation with ties to Los Angeles and find themselves on the run from a powerful drug kingpin.

SWAT hunts down a Chilean arms dealer after he kidnaps a woman and her daughter from a party in L.A. with unexpected intentions. Crossing paths with his brother, Tan is forced to come clean to his family about his divorce from Bonnie, while Hondo discovers that Hicks has received a job offer that could lure him away from SWAT.

When Hondo’s imprisoned childhood friend asks him to protect his son from gang violence, the favor brings SWAT into contact with a new local crime outfit. Also, when Luca’s grandfather, a SWAT legend, passes away, he struggles with his grief and a painful family secret.

The team tries to track down a media-savvy crew of bank robbers who consider themselves a band of modern-day Robin Hoods, funneling stolen cash back into their struggling neighborhood, before the mission turns deadly. Also, Hondo and Deacon clash over how to deal with a group of cops' racist views.

The SWAT team acts as a domestic surveillance unit for the CIA to confirm whether an international crime lord has resurfaced in Los Angeles after being off-grid for years. Also, Tan’s mother, Chan Fei, is a victim of racial discrimination, and Hondo encounters his ex-girlfriend Nichelle, for the first time since their breakup.

Hondo is conflicted when Leroy, his incarcerated childhood friend and Darryl's father, asks him to speak on his behalf at a parole hearing. Also, SWAT helps the FBI track down a mob informant on the run from the crime family he is meant to testify against, and the team dynamic becomes complicated when Street and Tan sign up for a leadership competition Chris has been training months for.

Chris brings the SWAT team into her personal mission to save a teenage girl from a charismatic, predatory religious leader using his church for illicit gain. Also, Hondo receives troubling news about Darryl related to Leroy, Darryl's father, being released from prison, and Tan's wedding planning hits a snag.

The SWAT team races to locate a young boy abducted from a homeless shelter. Also, Street allows his personal history to cloud his judgement on the kidnapping case, and Hondo and Nichelle find themselves at odds over their spiritual beliefs.

When a cop on the verge of shutting down a major drug operation is abducted, Hondo and the squad race to save one of their own before it's too late; Luca grows concerned about sudden changes in Hicks' behavior.

A terminally ill inmate escapes from a hospital determined to settle old scores before he dies; Nichelle faces a life-changing event that affects her relationship with Hondo.

While working undercover for 20-Squad, Alfaro encounters associates from a previous undercover case in Long Beach, embarking on a dangerous mission that stirs up unresolved issues from the past.

When a series of deadly explosions hits oil derricks across Los Angeles, the team must hunt down an activist-turned-terrorist; Deacon and his wife work to free a reformed drug dealer who they believe was sent away for a murder he didn't commit.

The Harrelsons engage in a tense family reunion when Hondo’s older sister, Winnie, begrudgingly arrives in Los Angeles to see their sick father for the first time in decades. Also, the SWAT team searches for an abducted Middle Eastern human rights activist; Luca’s food truck business hits a snag; and Street worries that dating Captain Hick’s daughter, Molly, will negatively impact his career.

When classified information falls into the wrong hands, the team races to stop a dangerous plot targeting former members of the U.S. military; Luca is faced with a challenging choice when a family member suddenly falls ill.