Stephanie and Tom go on their honeymoon in a two-mast schooner with a group of troubled teenagers, with Mitch and Neely along for help. All is going well until they get trapped in a hurricane and the ship starts sinking!
Mitch has been chosen Flash Magazine's Bachelor of the Month, a designation that leads to wild complications. Stephanie is making plans for her wedding to Tom, but her sister Caroline keeps getting in the way.
Donna and Caroline work with Heal the Bay after a recent rainstorm washes inland pollutants into the waters off Santa Monica. Mitch falls ill after he unknowing swims over sunken drums of toxic chemicals.
At the annual Baywatch Lifeguard Bachelor Auction, Mitch is "bought" for $5,000 by a wealthy socialite. The relationship gets complicated when they get stranded on an island and their social status is reversed. Cody joins a local roller hockey team.
CJ befriends Max, a homeless eccentric who claims that he was once a famous Hollywood Costume designer. When Max dies suddenly, CJ learns he was rich and has left her $4 million in his will. Manny joins junior lifeguards.
When Mitch Judges the Miss Malibu Beach Bikini Contest, his willpower is tested by two competitors who will do anything to get his vote. Later, Cody designs the "Windjet,” an innovative, new lifesaving boat/waverunner combination.
Logan decides to write and direct a low-budget action flick at the beach using a drugged shark as the villain, but things get out of hand when the shark Is not properly sedated!
While in search of underwater treasure, things take a deadly turn when Stephanie and Cody are confronted by a pair of drug smugglers. Back at headquarters, Newman faces off against a different type of treasure hunter…
Kaye is reunited with old flame Wes Masters. Stephanie undergoes surgery for melanoma performed by her doctor and boyfriend Tom, who plans a romantic surprise for her when surgery is over. Caroline catches Logan cheating on her with Neely.
After Matt is stung by a poisonous fish, he and Mitch find a village where a young woman offers to help them, resulting in all three of them running from her jealous suitor. Logan's selfish behavior puts his relationship with Caroline in jeopardy.
The team is invited to Hawaii for a week to oversee new lifeguard techniques and relax a bit. Logan becomes obsessed with competing in a surfing competition. To avoid curse, CJ and Stephanie must return a sacred lava rock to its original location.
A mysterious, unseen creature begins attacking beachgoers, and it is up to the Baywatch team to find the creature. Meanwhile, Inside Sports Magazine wants a lifeguard for their swimsuit issue. Neely and Caroline compete for the cover.
Caroline blames herself for a teen's death in a fiery nighttime boating accident and goes through Critical Incident Stress. Pushing everyone away, Caroline begins partying to distract from her guilt. Can the team help her recover from her PTSD?
Logan and Caroline's relationship hits a new low when Caroline returns his engagement ring, but things change when a baby is left in Logan's possession. Meanwhile, Cody must overcome yet another setback to his Olympic career.
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.
Logan borrows Cody's car without permission and has an accident, then lies to the police. Meanwhile, the Baywatch team settles an internal dispute with a paintball war and C.J. takes in an injured sea lion, causing problems with her roommates.
Hobie's new friend Isaac is an angry kid who will do anything to get his father's attention. His risky behavior is a problem for the lifeguards. Meanwhile, Caroline meets a jockey who has lost the will to race after an accident.
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.
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.