After an escalating, heart-stopping chase across a glacier, Mitch rescues Hobie and Leslie from hitman Gavin. Mitch returns to the Dawn Princess with a romantic proposal for Neely.
Mitch and Cody surprise Neely and Lani by showing up on the Dawn Princess. During the stop in Juneau, Gavin finally recognizes Leslie, who takes a clueless Hobie with her in the beginning a harrowing chase…
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 breaking up with Manny, April finds romance with Craig, who is having a mid-life crisis. While working together to catch a trio of wild men on waverunners harassing swimmers, Craig and April's passion heats up.
Mitch learns that a cache of US Marine weapons has been stolen and probably hidden offshore. Mitch and Cody locate a sunken vessel with the arms on board, but before they can confiscate them, they are taken captive.
Prejudice threatens Manny and April's relationship, driving April into Craig's comforting arms. An encounter with sharks leads Craig and April to take shelter in a water treatment plant's intake pipe where they encounter even more danger!
Caroline's truck is hijacked by a young thief who forces her to drive him on a wild getaway chase. Neely reveals a shocking secret about her outrageous actions during her hiatus from Baywatch.
Cody ignores regulations and leaves his tower five minutes early to meet Lani for a hot date. Right after he leaves, a young woman goes swimming and is engulfed by a wave, never to reappear. Cody is tortured by the results of his negligence.
Donna tries to help Neely overcome her addiction to painkillers. Craig Pomeroy shows up at Baywatch to defend the legal rights of an elderly Native American shaman determined to initiate his tribe's traditional death ritual on the Baywatch beach.
The hot Santa Ana winds blow an air of mystery to Baywatch when two sea lions perish in an unexplainable event. Mitch must uncover the cause to stop it from happening again. April is courted by Manny and Hobie, forcing her to choose between them.
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.
Caroline finds herself being sued for negligence in civil court by the angry and bitter mother of a drowning victim. CJ babysits a neighbor's newborn and realizes she wants to be a mother. But is Cody ready to be a father?
CJ and Cody transport an injured sea lion to the animal recovery facility at Sea World. While there, Samantha gets the idea to promote lifeguarding by planning a Baywatch-theme stunt show at Sea World.
While testing new scuba diving technology, Sam, Neely and Caroline witness a jet crash. They rescue the pilot, who reveals that he was transporting a canister that contains a deadly virus. Meanwhile, the team must shut down an illegal nude beach.
When a young couple's romance is threatened by their parents, they make a pact to end their lives together rather than end their romance. Meanwhile, Cody encounters a mermaid while diving, and of course no one believes him… except CJ.
Manny is haunted by his past when two juvenile delinquents from his home borough in East LA arrive at Baywatch for community service. Meanwhile, Neely suspects Mitch and Samantha are becoming more than coworkers.
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.