The SWAT team works with Lieutenant Piper Lynch, a senior LAPD Hollywood Division officer, when the mayor assigns her to oversee city departments joining forces to stop a serial bomber using drones as detonation devices. Also, just as Hondo settles into legal guardianship of his teen charge, Darryl, his home life becomes more complicated when his estranged father unexpectedly moves in.

Lt. Lynch pulls the SWAT team’s focus when the mayor tasks her with enacting a departmental review of the squad right as they pursue the unstable and dangerous fugitive leader of an infamous doomsday cult. Meanwhile, Luca asks the team to invest in his new passion project, a Guatemalan food truck.

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.

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.

Street reconnects with his estranged foster brother, Nate, to help a joint investigation between SWAT and the Long Beach Police Department when criminals steal a mass arsenal of LAPD assault rifles. Also, Hondo finds himself at odds with his father over the elder man’s declining health, and Luca is overwhelmed when the entire team reconsiders becoming investors in his food truck,

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.

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.

The SWAT team engages in tense negotiations with a family that takes a local officer hostage when they’re evicted from their home due to eminent domain. Also, Hondo reflects on his personal life choices as he helps his father through a medical crisis and Chris’ relationship with Kira and Ty reaches a critical juncture.

The SWAT team joins forces with the Los Angeles Organized Crime division to recover an officer abducted during a failed undercover operation. Also, Chris struggles with how to comfort the kidnapped officer’s parents when she is restricted from giving them certain details of the investigation.

The SWAT team’s task to provide security for a warlord is threatened by assassins determined to take him out before he’s extradited by the International Criminal Court. Also, Hondo’s father, Daniel Sr., tries to make amends to his mother, Charice, Street’s foster brother, Nate, asks for his help with a corrupt boss and Deacon reluctantly explores therapy for his daughter, Lila.

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

Hondo, Deacon, Tan and Commander Hicks engage in a manhunt across Tokyo when they escort an extradited fugitive to Japan, where he escapes local custody. Back in Los Angeles, the rest of SWAT search for any contacts the criminal cultivated while hiding out in Los Angeles, and Street isolates himself from the team as he deals with family issues.

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.

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.

The SWAT team’s search for an abducted teen leads them to a member of the Witness Protection Program and a decades-old political extremist group. Also, Hondo and his girlfriend disagree over a guest speaker at her community center; Luca worries he’s not physically ready to return to the field; and Commander Hicks reconnects with his estranged son.

The SWAT team must protect a hotel full of civilians after a joint task force mission with the LAPD Gang Division goes wrong, and the city’s most dangerous gang leaders scatter across the building to find an escape. Also, Luca’s efforts to coordinate the team’s mission are complicated when his brother, Terry, a freelance stringer reporter, crosses police lines to shoot footage.

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.

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.

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.

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, 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,

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.

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.

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.

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 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.

SWAT searches for a group of extremists carrying out coordinated attacks against local businesses. Also, Deacon and his wife, Annie, find themselves at odds when Annie wants to enroll their daughter, Lila, in private school.

A tragic mission leads each member of the SWAT team to contend with their emotional distress in varied ways.

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.

Mumford returns to work a 15-year-old cold case that holds a personal connection and leads to the discovery of a dangerous drug ring. Hondo is leery of Leroy’s motives when he discovers the recent parolee is seeking funding for a new business venture with his son, Darryl.

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.

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 team works to stop a violent attack on the city, they're forced to confront the group responsible for the death of a team member. Hondo and Leroy disagree on how to handle a challenge to Darryl's fledgling business.

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.

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 team races to rescue victims of a sex trafficking ring that is preying on disenfranchised women. Also, Hondo finds himself at odds with Leroy and Darryl over the future of their business, and Street confronts Chris about meeting with his hospitalized mom.

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.

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.

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.

When a robbery crew holds up the iconic downtown Los Angeles library, the team discovers that stolen architectural drawings could lead to a major threat against the city. Also, the squad is surprised by the arrival of a new leader, longtime LAPD veteran and former S.W.A.T. member Rodrigo Sanchez.

As the team races to stop a violent band of armed robbers, the search is complicated by civilians using a public safety app that encounters vigilantism; Street receives difficult news that alters his future.

When the team responds to a home invasion call, they uncover a murderous plot against a famous pro football quarterback; Hicks gets a long-awaited lead on a Jane Doe case he worked 20 years ago.

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.

Hondo returns as leader; the team is pulled into a dangerous case involving a large stockpile of cash and the Russian mob; Daniel Sr. opens up to Hondo about a painful time in his past.

When an undocumented woman is violently abducted, the team forms an unlikely alliance to try and bring her home alive.

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 partners with the DEA to locate stolen rocket launchers smuggled into Los Angeles, high-power weapons with new technology capable of cutting through armored tanks. Also, a personal issue for Tan arises when a colleague is hurt in the field; Hondo's inquiry into the arrest of a homeless veteran for Leroy, Darryl's father, sparks an idea for a new policing initiative; and Luca suspects the mother of his mentee, Kelly, wants to date him.

Hondo and the team race to locate the hacker responsible for accessing LAPD's computers and revealing the identities of undercover officers; Street is forced to reckon with past misdeeds.

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.

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.

When the team busts a group of dangerous robbery suspects; Tan is confronted with a pivotal figure from his past; Luca is tapped to temporarily stand in for Hicks.

When hospital employees are targeted by a gunman, the SWAT team races to find a grieving father whose son was denied a kidney transplant; Hondo searches for evidence behind an alarming rise in Los Angeles stash houses.

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.

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.

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.

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.

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 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.

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

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.

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.

When the team's armored vehicle is stolen, they must stop the vehicle from being used in a potential terrorist attack; Hondo and Nischelle prepare for their baby's gender reveal party.

When a convicted killer makes a prison break, the team works to protect the people on his hit list; Hondo unexpectedly crosses paths with an old flame.

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.

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.

When an intruder breaks into the home of a Hollywood actress, Hondo and the team are forced to partner with an old nemesis to track down a dangerous criminal; Tan struggles to find the perfect anniversary gift for his wife.

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.

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.

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.

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.

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.

The team races to stop a violent rampage with ties to a painful chapter from Hicks' past.

SWAT teams with Major Crimes for a high-stakes mission to extract an undercover officer from a dangerous crime ring.

When Hicks insists SWAT participate in Patrol Day in an effort to engage more meaningfully with the community, Hondo and Deacon have their hands full mentoring the newest members of the team; a suspended Tan investigates a mystery close to home.

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.

The team works with the FBI to hunt one of its most-wanted fugitives; Hondo and Nichelle are faced with an unexpected development in her pregnancy.

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.

The team races to uncover the identities of kidnappers holding a prison guard's family hostage; Tan is faced with a difficult personal decision.

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.

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.

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.

The team heads to Mexico to escort a fugitive back to the States when things go awry and Hondo has to save an old witness tied to the case.

Hondo and Hicks desperately search for Powell, who's gone missing in Mexico City along with a thermobaric bomb capable of killing thousands. Deacon's pride gets injured in a boxing match with Rocker.

20-Squad must leap into action when Yakuza assassins descend on L.A., targeting a number of mysterious Japanese ex-pats. Meanwhile, Nichelle finds her job on the line at the inspector general's office when a colleague accuses her of taking bribes.

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.

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.

After a prison transport van overturns, Hondo and the team hunt down three female fugitives, including a serial killer on the verge of a rampage. Also, with Annie’s return to work, Deacon struggles to maintain a work life balance, and Luca does his best to teach Kelly to drive.

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 faces off with a family of doomsday preppers barricaded inside their fortress of a home, and Deacon finds himself at the center of the storm. Also, Tan clashes with a reporter covering the situation and Powell grapples with meeting the child she gave up for adoption 18 years ago.

When a female robbery crew "honeytraps" and kills several rich VIPs, Hondo and 20-Squad are called in to assist FBI Agent Jackie Vasquez in capturing the dangerous fugitives before the death toll rises. Commander Hicks is shocked when his new love, Maggie, abruptly ends their relationship without rhyme or reason. With help from Deacon and Dr. Wendy, Hicks makes an important decision about his romantic future.

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.

Tan finds himself on a one-man mission to save his new love interest and her journalist co-workers when mercenaries take over a black-tie correspondents' dinner. After the group escapes, it's up to SWAT to track down the well-trained gunmen.

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.

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. Still reeling from the anger and outrage directed at him by his own community, Hondo questions if he still has what it takes to lead 20-Squad, adding to the fear that he won’t be able to pull the team together in time to save the city.