John D. Cort, Mitch's friend and a former lifeguard, returns to Baywatch where his life undergoes a devastating change. Meanwhile, Hobie meets a very "unique" new friend.
Romance is in the air at Baywatch as Mitch and Jackie's friendship grows more intense, Summer and Matt begin a relationship, and Hobie falls in love with Lauren, a junior lifeguard with a devastating secret.
A dramatic plane crash finds Hobie and his mother trapped in the rapidly flooding fuselage beneath the sea while Mitch and the Baywatch lifeguards mount a massive rescue effort to save the trapped passengers and crew.
An escaped psychopath takes Summer and Stephanie hostage in a lifeguard tower, necessitating a thrilling subterranean rescue attempt by Mitch and Matt.
While on a vacation cruise, the Baywatch lifeguards encounter high seas hijackers, leaving Mitch and Stephanie stranded in the stormy Pacific, and Summer, Matt, CJ and Guido faced with outwitting ruthless killers who have overtaken the ship.
The Baywatch lifeguards set sail on a romantic cruise, only to encounter a dangerous fugitive, who forces Mitch and Stephanie overboard into the stormy Pacific Ocean.
Mitch and Stephanie cope with an odd assembly of UFO enthusiasts camping on the beach in anticipation of an extraterrestrial visitation. Smugglers threaten Summer to recover diamonds they hid inside a surfboard Slade gave her.
CJ and Stephanie travel to Catalina Island for a "girls-only” weekend getaway, only to be distracted by two handsome men, leading to a life and death encounter. When Mitch and Hobie hire a gorgeous Swedish au pair, amorous complications ensue.
A dispute between Mitch's lifeguard career and his father's desire to have him take over the family architecture business becomes intensified by devastating news about the elder Buchannon.
A rock concert and political rally are the backdrop for a chilling assassination plot that finds CJ unconscious on an explosive-laden Scarab heading for the crowded pier.
Mitch and Garner go undercover as a two-on-two street basketball team to solve a young athlete's murder. CJ becomes involved with an amorous, honeymooning Midwestern tourist.
Jimmy Slade and Matt Brody tangle with a violent surf gang, while Mitch's life is thrown into turmoil when former lover Stephanie Holden assumes co-command of Baywatch headquarters.
A whitewater rafting trip turns deadly when Mitch, Hobie, Eddie, Shauni and CJ are pursued by the murderous miners that killed Mitch's uncle to get his map leading to the "Golden Boot" that Mitch and the others are now searching for.
The mysterious death of Mitch's uncle, and the cryptic will he left, finds Mitch, Hobie, Eddie, and Shauni on a whitewater rafting adventure. Meanwhile, rookie lifeguard hopefuls participate in the annual qualifying swim.
Shauni and Eddie visit a local fortune teller who predicts that Eddie will soon meet his first true love. Shauni thought he already had, and that it was her! But it's Lorna, an older woman Eddie had a "Summer of '42" affair with as a teenager.
Harvey and Mitch go to play poker on an offshore yacht where they are robbed by a masked man that drives an amphibious Jeep. Shauni invites Eddie over for dinner at her parents' house where her snobbish father strongly disapproves of him.
Mitch helps a former lifeguard, Lane Brody, investigate a corporation suspected of dumping deadly chemicals in the bay.
A bohemian poet flirts with Shauni, and with danger, when he uses his metal detector to find the buried stash of two jewel thieves.
Shauni is suspicious when a swimmer training for the Olympics disappears in "Shark's Cove.” Eddie's world is turned upside-down when he is reunited with his schizophrenic half-brother.
Mitch falls for the beautiful woman he saved from drowning after she drove her car off a cliff, unaware that she's a cold-blooded murderer and con artist who was attempting to dispose of the murder victim of her latest scam when Mitch rescued her.