Cody makes a crazy bet with some local hotshots. Mitch risks his uncle's new Scarab in a wild race. Meanwhile, Neely and her baby daughter Ashley move in with Mitch for a couple of days sparking a twist to their relationship.
Garner enlists Mitch's help to track down and capture a ring of drug smugglers operating from a boat offshore. The stakes get deadly when Neely goes undercover to plant a bug and her cover is blown! Lani struggles to come to terms with her deafness.
Mitch uses Hobie to initiate a relationship with Hobie's horseback riding instructor. Cody, JD, and Lani try to make extra cash in a scheme to collect Sea Urchins, but when another diver gets into trouble, Lani puts her life at risk to save him.
After the devastation of the last big L.A. earthquake, Baywatch lifeguards are taking recent Seismic activity seriously. Caroline and JD 's tempestuous relationship heats up, forcing Caroline to make a critical decision that could change her life.
Caroline's acting career isn't going well so she returns to Baywatch to figure out what she really wants to do with her life. The lifeguards are plagued by a sleaze-ball helicopter reporter who somehow knows intimate details about their love lives.
April is devastated by her younger brother Charlie's terminal illness. Mitch and Hobie want to make sure Charlie's wishes are granted, and that the time he spends with the lifeguards at Baywatch is the best of his life.
Mitch, Sky, and April find a dead man on the ocean floor. Their search for answers to his demise leads to the retirement home where he lived, and his two friends who seem to be hiding the true story. The chemistry between Cody and Lani heats up.
Veteran lifeguard Jack 'JD' Darius has a dark secret in his past. He comes to Baywatch to throw his rescue can in the ring for the open Lieutenant slot, but young and ambitious Taylor Walsh also wants the job, and she's ready to fight for it.
Hobie, Lani, April and Skylar are among the trainees competing for a few open slots as Baywatch Lifeguards. Hobie isn't sure he wants to follow in his father's footsteps, but when a vengeful jet skier comes after April, Hobie comes to her rescue.
Young, ambitious and sexy lifeguard candidates compete for a chance to attend Rookie School. Mitch is offered a promotion to Captain and has a tough decision to make. Lani McKensie faces the sinister return of a former lover.
A mysterious, disfigured man whom the public dubs "the phantom lifeguard," is secretly saving people and sending love notes to CJ. When CJ goes missing the team sets out to find her and the “phantom.”
A crazed young woman is causing trouble on the Venice Boardwalk and Neely suspects it is more than meets the eye. Meanwhile, Newman meets his dream woman – who doesn't speak English.
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.
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.