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.
After rescuing a group of fishermen and tourists from a pier fire, Samantha and L.A. fire chief Captain Huntingdon form an elite joint Search and Rescue unit. Meanwhile, Cody asks CJ to paint his portrait, and Mitch receives some strange PI work.
Controversy generated by Donna's appearance in Playboy magazine divides the Baywatch lifeguards. When an earthquake triggers a rockslide, burying a bus full of junior lifeguards, Mitch, Samantha, Cody and Donna try to rescue them.
Australia's Uncle Toby's International Ironman Competition comes to LA. The Baywatch girls think all is fair in sports and convince the guys that they should compete as equals, setting the stage for a series of pranks between the men and women.
CJ's mother, a former Las Vegas showgirl, arrives in town seeking CJ's help to get away from her mobster ex-boyfriend. When CJ and her mom are held hostage on a remote beach, it is up to Mitch and Cody to rescue them.
To sponsor the Special Olympics at the beach, Mitch hires MTV DJ Jenny McCarthy to throw "Beachblast:" a live televised tournament. After being evicted from his apartment, Cody moves in with CJ and Caroline, creating a surplus of sexual tension.
LA is in the throes of a severe heat wave! Hundreds of thousands of people head to the beach. Lifeguarding gets more chaotic for the team when the Secret Service shows up to inform them that the President is going to go jogging on the beach.
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.
Mitch and Caroline rescue a woman who gets amnesia falling off the pier and must find her father to help her recover her memories. CJ meets a wheelchair-bound man who's determined to get wheelchair access across the beach to the water.
Stephanie is recruiting lifeguards for the annual Sailing Regatta where they will compete against South Bay, and Neely is taking the competition very seriously. Meanwhile Mitch finds out Joey has grandparents who want to care for her.
Mitch is convinced by Stephanie's boyfriend Tom to go sky-surfing. Things go horribly wrong when Mitch's parachute fails to deploy! Back on the beach, CJ's lifeguarding duties are impeded when she begins dating a celebrity.
CJ rescues pro wrestler Hulk Hogan, who then tells the Baywatch team that he's in town with Randy Savage to try and prevent the closure of the Venice Boys' Youth Center. Hogan must take on Ric Flair in a cage match to prevent the closure.
Stephanie, Caroline and CJ become Charlie's Angels in a fun fantasy romp through 70's television as they try and catch an escaped psychopath bent on killing lifeguards.
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.
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.