Matt Brody returns to Baywatch and ends up trapped on a yacht with Neely when a group of ruthless pirates take hostages. Meanwhile, Joey's past may jeopardize her adoption by Mitch.
Hobie is thrilled when the “Johnny Danger Stunt Show" comes to the beach, but Mitch finds Johnny has questionable morals and is worried Hobie may follow his example. Matt is accused of sexual harassment by bad girl lifeguard Neely.
Prominent British businessman Richard Branson visits Baywatch to perform several risky stunts, putting the lifeguards on high alert. Meanwhile Mitch has to save one of Kaye's employees whose violent husband has come looking for her.
When testing out a new flying machine, Mitch spots a makeshift raft with a stranded woman in it. Mitch must help the Chinese woman find her sister. Back at headquarters, Matt and Garner deal with a beach robbery scam.
Matt and CJ stumble upon a homeless man who shockingly turns out to be someone they know very well. Meanwhile, Mitch must rescue a boy's brother from drug smugglers so the boy can receive a life-saving transplant of his brother's bone marrow.
Andy, an old friend of Mitch, visits Baywatch to complete four days of lifeguard service in order to remain on the active roster. But Andy's strong-arm tactics do not sit well with the other lifeguards.
Mitch receives a mysterious package his father had put together before he died. Mitch and his father never saw eye-to-eye, but this gift impacts Mitch more than he ever thought possible. Logan visits a hypnotist to deal with a past trauma.
Mitch is still mourning Tracy's death, so Hobie seeks help from a radio show to help Mitch recover. Caroline resuscitates a man with AIDS, which puts a strain on her relationship with Logan. And CJ enters a ballroom dancing competition.
Mitch proposes to Tracy, but the happy moment is short-lived as she reveals she has a terminal illness. With the team being short-staffed it is up to Logan and Caroline to deal with reckless wave runners.
Stephanie is kidnapped by an eco-terrorist. The Baywatch team must stop the terrorist before she blows up an oil rig with Stephanie constrained inside it!
Logan's visa is soon to expire, and he will be sent back to Australia unless he gets a green card. He plans on earning the money to purchase one in an upcoming boat race. Meanwhile Mitch's mother visits.
Mitch has to work a 24-hour shift with Stephanie and entrusts Hobie with the responsibility of taking care of himself during that time. But Hobie becomes infatuated with an older girl and is pressured into throwing a party without Mitch's knowledge.
John Cort shows up at headquarters and convinces Mitch to compete in the Baja Run dune buggy race with him. What Mitch doesn't know is Cort is keeping a secret which could land them both in a Mexican prison.
After a recent earthquake which almost took his life, Hobie leaves California to live with his mother in Ohio. When they both show up at headquarters a few weeks later Mitch is surprised, especially when he hears the reason they are there.
Stephanie and the geological team are trapped underwater by a massive earthquake! Hobie's and Jackie's lives hang in the balance. It is up to the Baywatch team to save them before it's too late!
After a minor earthquake, a geological survey team arrives at Baywatch to place an underwater seismometer in the Malibu fault. Hobie has an argument with his father about his future.
A Hollywood producer desperate for a new TV series idea observes a rescue on the Baywatch beach and realizes that a television series based on lifeguarding is perfect, sending Baywatch headquarters into a tizzy.
Matt doesn't know whose story to believe when he tries to reunite a runaway teen and her frantic father. Meanwhile, Stephanie must choose between Mitch and Scott.
Stephanie Holden spends a week with the Coast Guard to help them crack a dangerous arms smuggling ring.
When severe cutbacks put the Baywatch lifeguards' jobs in jeopardy, Matt and Summer volunteer to guard as civilians. But can they convince the county commissioners to increase the budget before lifeguards are laid off?