Stephanie, CJ, and Caroline go on a girls only junior lifeguard trip to Catalina which turns dire when two of the girls get trapped in a flooded cave. Meanwhile, a woman who dies in a car accident bequeaths an odd inheritance to Mitch…
Mitch's mother arrives in town for a visit, and after some strange occurrences he insists she see a doctor. Meanwhile, Cody loses the motivation to continue his Olympic training and it is up to Stephanie to reinspire him.
Caroline tries to stop her sister from making the worst mistake of her life. Cody and Neely rescue two surfers that fall ill due to a highly polluted beach. Mitch enlists the Beach Boys for a benefit concert to raise money to clean up the pollution.
Kaye Morgan asks Hobie to volunteer at a school for young blind children. Things take a dangerous turn when a huge brush fire traps Hobie and the blind children in the hills, and Mitch is the only one who can save them.
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.
Joey joins Mitch and Hobie in decorating for Christmas. CJ has a great time working with Father Ryan but starts to worry that he may misinterpret her warmth as flirting, and that he may be considering quitting the priesthood for her.
Matt and Hobie rescue a young boy who is being harassed by a thug and take care of him until they can get him to his mother, but he seems to be hiding a deep dark secret. Meanwhile, CJ falls for a handsome young man who turns out to be taboo.
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?