Não temos sinopse em Português. Ajude-nos a ampliar a nossa base de dados adicionando uma.

Mitch Bucannon, on leave in Oahu, Hawaii while he sorts out his thoughts during a mid-life crisis (his failed romance with Neely, his mother's recent death, and Hobie living on the East Coast), decides to form an international team of lifeguards in Hawaii called 'Baywatch Hawaii' for saving lives after a rescue of a family on a remote beach in which a little girl is put in a coma after being submerged.

During the first week of training for the new lifeguard team of Baywatch Hawaii, competition between Jessie and Kekoa, as well as Jason and J.D. threaten to turn the tryouts into an all-out war. Jason, at Kekoa's advice, visits an old Hawaiian native to look into his true Hawaiian roots, and Allie takes a job as a helicopter tour pilot to make some extra money for herself.

Dawn Masterson, a lifeguard from Florida and a travelling archaeologist, joins the team and proves almost irresistible to the male lifeguards while she squares off against Sean who tries to find her weakness, while also Dawn seeks her own personal agenda with J.D. whom she used to know.

Mitch takes Tanner on an overnight camping trip to a small island where a dream encounter with a ghostly Hawaiian drives Tanner to deal with his inner conflicts from his troubled life back in Los Angeles.

Sean and the rest of the team risk their lives when they help with the local Coast Guard in a daring rescue to save six kaiakers who have gotten stranded on Kauai's Pina Nova coast. After saving four of the kaiakers, including two in an enclosed lagoon, night falls and the search for the remaining two is called off.

The abrasive Sean tries to get the team, on a week-long holiday in Kauai, from giving into the island's sun-and-fun atmosphere and concentrate on a return to training.

After Jason risks his life in a rash attempt to save two scuba divers trapped on a reef, Sean threatens to throw Jason off the team if he doesn't change the way he thinks about the risks and lives of people in need of a rescue in which Jason is confined to a beach for the whole day to learn what the people that are there are confronted, with Sean keeping a close eye on him.

Mitch struggles to prevent Hobie from marrying his new girlfriend, Sarah, at a local hotel during a visit, while Mitch also deals with Sarah's overbearing and obnoxious parents seeking to create the perfect wedding.

Sean, Allie, J.D., Jason and the rest of the team race to help Jessie as she faces the challenge of her career when she rashly attempts to track down a pair of shark hunters who are decimating the animals in the Hawaiian area.

During a girls swim out in the ocean, Allie discovers a rare gold coin dating back to a ship that was lost in 1941 during World War II which allegedly contains un-circulated gold coins and rare artifacts somewhere off the Hawaiian coast.

Allie's relationship with Nick begins to heat up, especially after he suggests a commitment between them. Then things take a turn when Allie, Nick and the rest of the team must cooperate with the Coast Guard to rescue two people trapped on a disabled submarine 200 feet on the ocean floor.

A secret from Dawn's past could jeopardise her position on the team when she gets served with a civil suit from the spouse of a diseased lifeguard from when she was involved in a failed rescue while working as a lifeguard years ago in Florida with J.D.

After a rescue of a man who survived after more than 20 minutes underwater, Dawn and Sean are drawn to the strange and spiritual power of the mind over matter theory which she tries to prove the theory of the mind controlling the body after its other functions have shut down to sustain life.

Sean has his hands full in dealing with Jenna Avid, the new head of the Oahu North Shore lifeguards, who issues some stern recommendations to the team, which is overshadowed later that day when a group of nudist activists, lead by a certain Leesa Strickler, choose the beach near the Baywatch Hawaii headquarters as their place of protest against the establishment which Sean, Jason, Allie, and Dawn have also deal with the media circus that arrives too.

Sean faces a personal conflict where he tries to resist Kekola's flirting advances which leads her, Dawn and Allie to re-examine their own femininity in themselves.

Sean sends Jason to the big island of Hawaii to meets with Kulu Puno, an elderly Hawaiian and his beautiful young granddaughter where Jason is given a task of building an old fashion Hawaiian canoe as part of a path he must see to redeem himself from his arrogant, immature nature.

During a long day when Sean takes Jenna out on a Scarab motorboat when after a rescue of a injured young boy from a offshore reef, Sean reveals a secret to Jenna that could threaten his position when he tells her about his own son, that no one knows about, who drowned years ago which ruined his life and paved his way to becoming a lifeguard.

Jessie tries to overcome her physical condition, and Sean's objections, to compete in a Maui triathlon with Dawn as her personal coach while Allie suspects an agenda behind Dawn's motives to train Jessie.

Sean tries to keep his blossoming relationship with Jenna a secret to avoid upset and criticism from the rest of the team when he attends a lifeguard conference on Maui to speak about the dangers of drowning where Jenna, Allie, Kekoa, Dawn, and Jason are in attendance.

Mitch helps Jessie try to prevent her World War II veteran grandfather from committing suicide who was a survivor from the USS Utah at Pearl Harbour and who harbours a guilt over surviving when many of his friends didn't on December 7, 1941.

Mitch is asked by a government agent to investigate a certain Zack Martin, a former Navy SEAL who may be part of an environmental terrorist group called "Green Scorpion" who are planing to blow up an unknown target.

During the training sessions for new Baywatch Hawaii lifeguards, Sean deals with Jena and other Hawaiian officials who don't see the training center as a profit making enterprise. During a drive, Sean accidentally hits into Zack McEwen, a new recruit and surfer from Michigan who joins the training team while Jason becomes acquainted with Carrie Sharp, one of the rookies from San Diego who finds him irresistible.

A typical day begins when Kekoa deals with three rescues simultaneously one of which involve a brash and spoiled teenage wave runner who causes accidents in the area in which his equally spoiled and arrogant father threatens to sue the team for not coming to his aid in time.

Sean has his hands full in dealing with Jena who wants to close down the training center to make room for a group of crooked investors looking to turn the Oahu North Shore into a hotel chain. So, Leigh tries getting Erica, a British entrepreneur to be the Baywatch Hawaii sponsor in order to keep the training center open, but with complications whom she makes advances to Sean.

Sean becomes concerned over Leigh's new boyfriend Sam Parks, an air plane pilot who thrives on living dangerously, and whom takes her out on a hand gliding trip headed for disaster.

Jason becomes smitten with Maya Morgan, a young volleyball player and an old childhood friend of Carrie's and thinks that he's found the girl of his dreams, never imagining that Maya is dying from a heart disorder unless he gets a heart transplant.

After Danny gets into trouble again with the law, Sean gives him a choice of being arrested or joining the training center team. Danny reluctantly joins the rookie team, much to Leigh chagrin who openly admits that she does not trust Danny, while Jenna continues her mind games by trying to recruit Leigh under her wing.

Jenna intensifies her personal war against Sean by confiscating some of the team's equipment, including a Scarab, and trying to get her boss McKenna, a ruthless and greedy local councilman, to close down the Baywatch Hawaii training center.

Sean deals with Blake, a nefarious "shark tour" provider who dumps chum bait in order to lure dangerous sharks to the area for tourists to see from underwater shark cages causing the beaches to become dangerous with the sharks in the area.

Sean struggles with his inner demons after a teenage friend, named Mike, dies during a surfboarding outing which a frustrated Sean Patle boards out in the ocean, runs into a rain squall where stranded in the ocean he has visions of the people in his life and of his own long dead son Ben.

Zack becomes devastated when Sean refuses to promote him to a full-time lifeguard due to his brash and reckless attitude after rashly trying to capture a purse snatcher on the beach, in which Sean gives the promotion to Carrie instead.

Leigh and Sean become entangled in a dangerous position when he suspects an attractive tourist, named Sasha, of murdering her husband, but cannot prove it to anyone.

Sean deals with a series of prank phone calls for non-existent rescues and discover that McKenna's son is one of those responsible in which Jenna uses this to try to heat up the war between McKenna and Sean into a lawsuit hoping McKenna will finally close down the Baywatch Training Center. Zack deals with a slight hearing loss in one of the rescues while dealing with Jenna trying to get his help to bring down McKenna, while Zack is showing around Peggy, a prospective new trainee.

Carrie's life turns upside down when after she and Leigh save two spear fishermen from drowning, after which one of them asks her out on a date in which he begins stalking her and wanting to control her.

A bad week begins once again for Sean when two frivolous lawsuits, one by Kekoa's father over nearly drowning at the beach, and another by an equally wealthy man thinking that he lost his gold Rolex wristwatch. The local city council, now with Jenna on the staff, seeks another chance to try to close down the training center, in which an attractive special investigator, named Jackie Love, arrives to check up on Sean's work.

Another long day begins with Sean, Jessie, and Kekola trying to save a woman trapped in an air pocket beneath a coral reef and trying to escape from the dangerous sulphur fumes within the cave. After a rescue of three skydivers whose parachutes open late, Dawn find a number of similarities between one named Jerome, and her ex boyfriend Ryan whom she discovers that they are both the same person.

A major hurricane hits the Hawaiian islands in which Sean is trapped with Jenna in a underground bunker which rising flood waters threaten to drown both of them unless they put aside their personal conflicts and hatred of each other to survive the day and night.

Jenna gets taken in by a fast-talking con man, named Lyle Garrett, who claims to be an investment banker who wants her money for a quick IPO investment, despite Sean's suspicions who sees through Lyle's charade.

A new computer is installed at Baywatch headquarters but could spell disaster if it is not working properly before a sponsor's visit.

Sean, J.D. and Kekoa travel to the Big Island to help with the extra work caused by the Ironman Triathlon. They soon have a run-in with former lifeguard Jessie Owens, who is also competing in the Triathlon and has new infant son with her. This causes some awkwardness in J.D., and slight jealousy in Kekoa who suspects that J.D. never got over her.

Sean and Leigh land in mortal danger after they rescue two surfers off a reef at Maui where one falls ill, and Sean becomes suspicious to the cause which may be connected to the reef. During their investigation of a local company, they end up as captives by the corrupt department head to cover up them using toxic chemicals to create a man-made reef.

Sean, Jason, and Zack travel to the Big Island to participate in the Showdown 2001, a 12-mile course of natural obstacles. Leigh will be taking over supervisory duties at Baywatch while Sean is away. J.D. is tending to Kekoa, who has come down with the flu. Fortunately, J.D. has an iron constitution, despite the fact that he didn't have his annual flu shot.

Sean rescues a local TV celebrity who is in trouble with his kayak. This brings the team a lot of media attention, and because Sean turns down the offer of a TV interview, he is offered a week at the Hilton Hotel. Sean, though, does not like to take freebies either so he declines. But Zack gets an idea of his own: he will take advantage of the freebie vacation Sean was offered at the Hilton Hawaiian Village by pretending to be Sean!

Sean faces a major life-changing decision to leave for Australia or stay with Baywatch Hawaii, while Leigh has agreed to marry Sean in a wedding ceremony on the beach.

Mitch Buchannon didn't die in a boat explosion in the 10th season but has been recovering from amnesia in Los Angeles. Mitch returns to Hawaii to get married again! His new fiancée Allison looks a lot like Lt. Stephanie Holden, a past love. Little does he know, Allison is cooperating with Mason Sato who appeared in the show's 2nd season and now returns for revenge. The Baywatchers are invited to Hawaii by CJ. She's opening CJ's Bar & Grill at the Turtle Bay Resort. Coincidentally, Caroline Holden is already there filming a soap opera. Neely Capshaw (ex-Mrs. Buchannon) comes to Hawaii to stop the wedding. She wants Mitch back!