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.

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.

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 a young heiress, Juliette Carlton, is kidnapped for ransom, Hondo and the SWAT team go on a citywide search to bring her home before she is harmed. Also, the team worries that Mumford is moving too fast when he announces he’s getting married for the fourth time.

Hondo’s life and career are endangered when his bosses and his godson’s kidnapper, Jae Kim, discover he’s been secretly surveilling Kim with the help of retired DEA agent Katrina Walsh. Also, Street and his newly paroled mother, Karen, both have trouble acclimating to her prison release.

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.

The SWAT team engages in a standoff with human traffickers holding child hostages when a major earthquake hits Los Angeles during their operation and compromises the takedown. Hondo forms an unexpected personal connection with Deputy District Attorney Nia Wells. Jim Street has trouble adjusting to his new life as a patrol officer.

The SWAT team is enlisted by Hondo’s new romantic interest to protect the jurors of a high-profile bribery trial, after some of them are targeted by organized crime in a series of fire-bombings.

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 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 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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.