When Courtney's mom comes to visit, they end up fighting about everything and Sara ends up in a dangerous situation...

Mark takes Chris and three other kids on a boating trip. Chris, Brad and Eugene end up working together to save Mark and Joey's lives.

While diving, Holly's life is put in danger by her friend's panic attack.

A dying girl's one wish is to swim with a dolphin...

An emergency call comes through while Tom and Chris are diving and he ends up in hospital.

Courtney learns about the perils of drinking.

Tom loses confidence after a rescue attempt fails.

Chris befriends an elderly man who mourns the son that drowned at sea.

Keith and Pamela elect to remain at the institute with Aphrodite, a dolphin in the final stages of a difficult pregnancy, as a Category 4 hurricane bears down on their island.

A hurricane is headed towards Bal Harbour.

Holly and Courtney help a diver try for a world record.

Tom and Alex mark their anniversary.

Susy runs away from Princess Weekend.

A diver looking for Atlantis saves Courtney.

Flipper is blamed for dolphin attacks.

A wealthy thrill-seeker tries to corrupt the Hamptons.

Delaney is accused of negligence after a rescue.

Audrey helps Cap reunite with an old flame.

Jackie and Audrey trace a message in a bottle.

A solo yachtswoman learns an important lesson about human nature.

Chris finds an old sword and launches a treasure hunt.

When Alex goes to naval camp, Tom tends the family.

Holly and Delaney discover a haunted yacht.

Flipper finds a sick dolphin.

Alex and Holly find a raft adrift with a woman aboard.