After a crisis involving cops escalates, Sergeant Daniel "Hondo" Harrison takes control of the situation and is later appointed to lead the SWAT unit.
A clash with a trainee complicates Hondo's efforts to ease into his leadership role. Hondo's relationship with an LAPD officer causes more challenges.
When a bomber dies in an explosion in Highland Park, the squad races to determine whether there are more bombings about to happen throughout the city.
A drug bust yields evidence of a human trafficking ring. Street's reckless actions create questions about his commitment to the team.
Street goes undercover to infiltrate a ring of luxury car thieves. Hondo befriends Raymont, a boy who was injured by a former SWAT team member.
The unit hunts a group of thieves posing as a SWAT team. Luca and Deacon provide security for a troublesome hockey star who's receiving death threats.
A request to help an old friend's son alerts Hondo to the existence of a dangerous new gang. Luca deals with the loss of his grandfather, a SWAT legend.
A Christmas Eve heist forces the team members to change their holiday plans. Jessica faces political complications in her drive to improve the division.
The team pursues a gang that's targeting marijuana dispensaries. A phony misconduct charge threatens Hondo and Jessica's relationship.
The team's actions to resolve a high-tension hostage situation at a maximum-security prison problem reveal deeper problems at the facility.
The stakes get personal for Hondo when the team becomes part of a DEA task force pursuing a group of drug smugglers with high-powered connections.
In order to stop a catastrophic gas attack by domestic terrorists, Hondo seeks information from the loyal wife of one of the potential perpetrators.
Plank's discovery of the truth about Jessica and Hondo jeopardizes Jessica's proposal. An incident during an ICE raid lands Street in a crisis.
As the team tracks a serial killer, Luca discovers a personal connection to the case. Hondo worries about Buck's deteriorating state since his firing.
As Jessica butts heads with the FBI, the team's pursuit of a crew that robs armored cars takes a tragic personal turn for Hondo.
The team discovers that the kidnapping of a young heiress is about more than the ransom. News of Mumford's marriage plans elicits concerns.
Hondo must act quickly to defuse the situation when a former gang member's desperate search for his sister leads to a crisis inside SWAT's armory.
While spending the day as patrol officers, Chris and Mumford deal with a shooter. Hondo travels to Oakland to convince his ailing father to move to LA.
The team protects a Russian journalist who's become the target of assassins. Street tries to find a home for his mother as she prepares to leave prison.
Hondo's clandestine surveillance of the sinister real estate mogul who kidnapped his godson reveals secrets within his own department.
After they're ambushed by a gang of vicious bikers and flee into the woods, Deacon and Hondo must face their personal differences in order to survive.
The team contends with real threats after responding to a fake 911 call. Street's issues with his family jeopardizes his future with the squad.
The team fights to recover child hostages from human traffickers under chaotic circumstances. Hondo and Street remain at odds following a recent clash.
SWAT takes on a ruthless drug cartel, while a young family flees from the fallout. Hondo intervenes to keep an old pal's son out of prison.
When jurors are threatened during the trial of a crime syndicate boss, Hondo offers to help the deputy district attorney keep them safe.
A US marshal requests help to corner a dangerous fugitive, but Hondo suspects he's also trying to get back with his estranged wife, Nia.
Hondo and Chris infiltrate a group of drug smugglers that hijacked a cruise ship. Street faces tough competition in his effort to rejoin SWAT.
As a robbery crew targets diamond dealers around LA, the investigation prompts Jessica to reconnect with a past informant.
When a radical militant group copies a famous kidnapping, Luca taps into his family's connection to the original crime to solve the case.
After a social media star's stalker opens fire at a fan event, the team struggles to safeguard her as she keeps posting about the experience.
Hondo aids his sister after she's drugged at a club, then goes after the perpetrator. The rest of the team deals with a complicated hostage situation.
Armed robbers steal critical evidence from the LAPD crime lab. Deacon struggles with money issues while heading up SWAT's holiday toy drive.
An anonymous threat to commit a school shooting reminds Hondo and the team of a tragedy that began the same way six years ago.
Jessica and Chris go undercover in Mexico City to rescue an FBI agent from a powerful gang. Hondo faces his mom's criticism while renovating her house.
After previously evading capture, a militant group reemerges by abducting employees from top LA corporations for ransom as political reparations.
Hondo reconnects with an old flame to stop a potentially catastrophic terrorist plot. The rest of the team are anxious about a charity football game.
Chris mourns a fallen officer she knew, and the crew hunts for the ones who gunned him down. Deacon and his wife await the birth of their next child.
Tensions escalate when a hate crime threatens the safety of a community ahead of a local Pride parade and hits too close to home for the SWAT team.
When a high-tech carjacking ring begins amassing a body count, Street taps a past contact for help. Hondo helps an old friend's ex reunite with her son.
After stolen military weapons are used to attack a prison bus, Hondo struggles to work with a Marine from his old unit on the investigation.
SWAT goes after a gang that's extorting undocumented workers to get into their wealthy clients' homes.
As LA faces another potential PCP epidemic, the team scrambles to find the source. Chris must decide what to do about her complex romance.
Hondo faces close scrutiny after a civilian is killed during a high-profile mission to capture a wanted criminal.
As a lone gunman terrorizes LA, the crew tries to predict his next move. Meanwhile, Hondo pursues a more personal mission away from the team.
The team reencounters a familiar extremist group, which now plans to livestream the execution of local politicians in a kangaroo court.
The team must stop a bomber who uses drones to deliver devastation. An unexpected guest complicates Hondo's plan to provide a stable home for Darryl.
A departmental review endangers the squad's pursuit of a dangerous cult leader. Luca seeks support for his latest passion project: a food truck.
Lynch gives the team a risky undercover mission to infiltrate a counterfeiting operation. Conflict between Hondo's parents causes problems at home.
Deacon's work puts his family in jeopardy when he tries to bring down a cartel leader. Troubling news impacts the bond between Hondo and his father.
The squad's investigation of a weapons theft leads to an emotional reunion for Street. Hondo copes with new developments in his father's life.
An assignment at a political event puts Chris and Vic in the middle of a kidnapping case. Luca faces a big challenge with his new food truck.
After a daring robbery, the squad races to figure out the thieves' next move. Street struggles over whether to tell Hicks who he's dating.
Hicks puts himself at risk to help resolve a hostage crisis. Hondo reflects on how his relationship with his father influenced other life choices.
The squad faces a potentially grim outcome when an LAPD officer disappears during an undercover mission to stop a sex-trafficking ring.
The team must foil efforts to assassinate a Somali warlord before he can be extradited for his crimes. Hondo's father seeks forgiveness from Charice.
Street's troubles with his foster brother distance him from his teammates. An investigation reveals the mastermind behind a series of casino heists.
Looking to regain the squad’s trust and support, Street goes undercover to infiltrate the drug ring that's ensnared his foster brother.
An assignment to transport a prisoner back to Tokyo leads to a citywide hunt for the escaped suspect. Back in LA, Street confronts his family issues.
The team uncovers the connections in a series of shootings targeting women. Luca gets involved with a homicide investigation in his neighborhood.
Deacon gets embroiled in a kidnapping case while working as private security at a boxing match. Family matters stress out Darryl and Tan.
An investigation into an abduction takes a surprising turn. Hondo and Nichelle clash over a controversial guest speaker at her community center.
It's up to the team to save civilians when a hotel hosting a secret meeting between the city's top gang leaders becomes engulfed in chaos.
When Buck vanishes, the squad begins an urgent search for their troubled former leader while reckoning with the toll of SWAT on their own mental health.
An escaped convict targets Tan for helping put him in prison. A visit from a sister strains Hondo’s relationship with Nichelle.
While pursuing a dangerous couple, the team tangles with competing bounty hunters. Luca confronts his fears as he seeks to return to the field.
A joint mission with the DEA devolves into a citywide battle with cartel members. Hondo tries to repair his relationship with Nichelle.
As the COVID-19 pandemic and protests begin shutting the city down, the squad continues its pursuit of El Diablo and his drug cartel.
A Chechen crime lord, long in hiding, may have reemerged in the city. When Tan's mother is attacked, he goes on a mission to find the perpetrator.
A parole hearing leaves Hondo with a tough choice between duty and loyalty to a childhood friend. Chris, Street and Tan compete for an elite position.
Hondo worries about how Leroy's early release will affect Darryl. A funeral for an outspoken celebrity receives dangerous threats.
Hondo has complicated feelings about an LAPD outreach campaign to the Black community. A new case stirs up unwelcome memories for Tan.
The team helps Chris extricate a teenager from a dangerous cult. Hondo learns that Darryl has been hanging out with a known gang member.
A sniper targets LA firefighters. An important competition raises tensions within the squad. Molly is troubled by Street's attitude toward his mother.
The team follows the trail of a racist group that's committing a string of hate crimes. Deacon and Annie disagree over a choice their daughter makes.
Chris is wracked with grief when tragedy strikes SWAT. Hondo copes by focusing on an ongoing case, but the squad's loss is soon politicized.
A new team member tries to prove her worth as the squad hunts for a kidnapper. Chris and Street crack under pressure.
Mumford reopens a 15-year-old cold case, yielding new discoveries. Hondo becomes suspicious when Leroy approaches Darryl with a business idea.
The mysterious murder of a journalist may be connected to a domestic disturbance. Hondo and Street each deal with family health challenges.
After the FBI finds he's been scamming people in a Ponzi scheme, a CEO goes on the run and hires deadly mercenaries to help him escape.
An old foe resurfaces — with more firepower than before. Darryl's business has legs, but Hondo and Leroy disagree about where it should go.
Bank robbers who steal from the rich and give to the poor become celebrities. Hondo and Deacon butt heads over how to handle cops with racist views.
Prison escapees take an entire courthouse hostage — including Hondo and Deacon. Street faces a big decision about his body, his mother and her life.
The squad brings down a sex trafficking ring. Hondo, Leroy and Darryl clash over the garage's future. Street's decision about his mother angers Chris.
Even as he and the squad work to take down the white supremacist Imperial Dukes, Hondo's revelations to the press muddle his future with the LAPD.
Taking some time away from the job to contemplate his future, Hondo gets drawn into a mother and daughter's fight to save their ranch in Mexico.
Hicks considers permanently disbanding the squad. Hondo partners with local law enforcement to take down a powerful family in Mexico.
Despite being replaced as leader, Hondo returns to the LAPD and joins the reformed 20 Squad in an armed robbery investigation.
Hondo fights for his job after Luca discovers a secret political agenda in the department. A citizen watchdog app causes problems for the 20 Squad.
Hicks tries to solve a cold case from his past. Hondo fights for his career. SWAT falls victim to a "swatting" hoax at the home of an ex-NFL star.
The squad responds when armed intruders take over the set of a conspiratorial cable news program. Street's loss brings him closer to Chris.
Hondo deals with a big change on the job — and a major revelation from his dad about the past. The 20 Squad takes on a case involving the Russian mafia.
The squad mounts a rescue effort for a Honduran woman kidnapped by a gang. Hondo must make a major decision in his relationship with Nichelle.
While working a side job as private security guards for an important client on a trip to Las Vegas, Deacon and Chris come under fire by cartel assassins.
The squad partners with the DEA to track down contraband rocket launchers. Hondo looks into the arrest of an unhoused veteran by the LAPD.
It's a race against time as the squad looks for a computer hacker who stole files revealing the identity of undercover law enforcement officers.
A hostage crisis at a high-end art auction house hits close to home for Hondo when he realizes that his sister is one of the captives.
A dying car bomber stages an explosive escape from custody to seek revenge, but his true motive is a surprise. Nichelle and Hondo receive sad news.
Victor reunites with Ally, a confidential informant who ghosted him years ago. Luca fills in for Hicks, who reluctantly undergoes a psych evaluation.
A grieving father targets the health care system during a citywide rampage. Hondo has suspicions about the funding of Raymont's new business.
When a deepfake video shows Hondo executing two LAPD officers, he goes on the run while trying to identify the source of the phony evidence.
Coordinated attacks on oil derricks lead the squad to eco-activists. Deacon and Annie ruffle feathers in their quest to exonerate an innocent man.
Street becomes a hostage when a dangerous prisoner he's escorting from Miami to LA hijacks an airplane, leaving the squad five hours to plan a rescue.
The squad links the assassination of a judge, who was an old friend of Hicks, to the shooting of a social worker. Luca's brother Terry gets arrested.
Hondo and 20 Squad stumble onto an arsenal of illegal guns. They soon connect the cache of arms to a violent secessionist group planning an attack.
A home invasion that results in the murder of a wealthy family puts the squad on the trail of mercenary ex-soldiers stealing valuable cultural relics.
An expelled doctoral candidate forces chemistry students to make a deadly toxin. Hondo's home life evolves. The squad says goodbye to one of its own.
During a training exchange program in Thailand, Hondo is kidnapped by smugglers operating a drug pipeline that was supposedly decommissioned.
In an alliance with their SWAT counterparts in Thailand, Hondo and his team set out to dismantle a heroin kingpin's operation and rescue a child soldier.
Luca is distressed when the squad's armored vehicle is stolen. Former LAPD officer Jackie Vasquez, now an FBI agent, joins the team to recover it.
Hondo's ex-lover, an assistant district attorney, reappears in connection with a Russian crime boss who stages a spectacular escape from custody.
A guilt-ridden Deacon worries that he may have fatally shot a civilian when the squad responds to cyber criminals staging flash mob robberies.
Luca frets about Hicks' health, while Street worries about Powell's zeal. Alex Rios vanishes after he recovers evidence that implicates Saint.
A brutal attack inside the home of a Hollywood star reunites the team with former squad leader Sanchez, who now works in movie studio security.
Armed assaults on food trucks across Los Angeles expose a drug cartel's desperate hunt for misplaced narcotics — hitting close to home for Luca.
Shootings that appear to be gang initiations connect back to a neighborhood where Cabrera has personal history. A family secret leaves Luca shaken.
The squad's search for a boy abducted from a homeless shelter triggers painful memories for Street. Hondo and Nichelle argue over a religious issue.
When political extremists target the Ukrainian community in LA, the squad forms a joint task force with the FBI to stop a large-scale bombing.
A case from three years ago comes back to haunt Hicks when activists block a construction project. Tan's colleagues must give him heartbreaking news.
Distraught over his younger brother's death from drug addiction, a gunman embarks on a mission of vengeance against those he holds responsible.
The squad and Major Crimes break up a mob counterfeiting ring infiltrated by an undercover detective who disappears. Tan jeopardizes his career.
On Patrol Day, members of the squad partner up to interact with the community — but crimes including murder, theft and kidnapping soon interfere.
The team suspects that a crew of assassins is executing undercover agents. Luca has a difficult choice to make when his father has a heart attack.
Federal agents clash with the squad over the apprehension of a sex trafficker who is on the FBI's Ten Most Wanted list. Nichelle's labor begins early.
Thieves target a particularly valuable piece of jewelry in a lethal armored truck heist that gets personal for Street. Hondo's mother pays a visit.
A prison guard's hit-and-run attack on a colleague exposes a culture of corruption in a correctional facility. Tan reaches a crossroads in his marriage.
An old friend of Hondo's from the Marine Corps turns to him for help. The squad goes after a gang of robbers who are targeting senior citizens.
A citywide gang cleanup by SWAT and the DEA exposes a bigger problem: a drug cartel's incursion into LA. Deacon and Sanchez clash over business.
Partnered with DEA agent Mack Boyle, the squad continues its case against a cartel kingpin seeking revenge on them for the death of his son.
Ten years after Hondo vowed to hunt down a killer, Mexican authorities capture him — but 20-Squad's mission to repatriate him to the US goes wrong.
As time runs out for Powell, Hondo and Hicks hunt for her assailant – who also has possession of a valuable and highly destructive thermobaric bomb.
Yakuza mobsters seize several Japanese emigres. When the team investigates, they discover that none of the victims are who they seem to be.
A Chilean arms dealer kidnaps a prominent LA surgeon and her daughter in a case that involves a squad family member: Tan's estranged older brother.
Street discovers that a biker gang has stolen armor-piercing bullets, and suspects they intend to use the ammunition in a heist.
Prisoners flee when a transportation vehicle crashes, sending S.W.A.T. on the hunt for three dangerous fugitives — one of whom is a serial killer.
After a squad member suffers devastating injuries, S.W.A.T. launches a hunt for the thieves responsible. Deacon reconsiders his future plans.
The squad pursues a kidnapper to a heavily fortified compound occupied by a family of doomsday preppers convinced society is going to collapse… today.
An FBI agent asks for help in apprehending a gang of beautiful thieves known as the Honeytrappers, who target wealthy men to steal their valuables.
A series of fatal shootings within hours of each other alerts 20-Squad to the existence of a sniper — one who may have a vengeful hidden agenda.
Tan and his girlfriend are on-site during an armed attack at a black-tie gala. When the attackers escape, it's up to the team to track them down.
An eco-terror group kidnaps the son of a petrochemicals executive during a wave of protests and the team must pull off a high-stakes rescue mission.
Los Angeles goes on terror alert when extremists vowing revenge steal enough explosives to kill tens of thousands. Hondo contemplates the squad's future.