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 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.

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 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.

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 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 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.

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.

SWAT tackles a mission with personal ties for Hondo when they race to find a group of missing students and their bus driver, Hondo's former high school football coach. Also, Hicks has reservations regarding Hondo's new 20-Squad team addition, Devin Gamble, a cop with a family background deeply entrenched in crime.

When a spree of brutal stash house robberies spills into L.A., 20-Squad must team up with the sheriff's department's gang unit to unmask a violent crew who leaves no witness alive.

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.

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.

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.

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.

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.

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.

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.

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

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

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.

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

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.

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.

The abduction and brutal torture of two college football stars puts S.W.A.T. on the trail of a violent drug dealer looking to extract vengeance for a drug deal gone bad, while Deacon’s heroics bring unexpected attention on S.W.A.T.

When three of L.A.'s finest are targeted and gunned down in the street, the team enlist the help of an LAPD psychologist to stop a murderous rampage, reopening old wounds tied to the department's failed response to a school shooting.

When a violent shooting rocks a Los Angeles nightclub, Hondo and 20-Squad are thrust into the dark world of sex trafficking, going head-to-head with a notorious biker club as they race to find a missing girl.

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.

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.

When an auto carrier truck gets hijacked by a high-speed crew, Hondo encounters a ghost from his past - a violent car thief thought to be long-dead. The brutal road warriors tear across L.A. in pursuit of a mysterious $60 million car.

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.