Chris tries everything to stop his mother from marrying Tom.

Pirates blow up a yacht, inspiring a search for Spanish coins and threatening the dolphins.

A rare-animal collector has designs on a white dolphin.

At the airport, a man drops a package of five disks into Jennifer's bag.

When Jackie and Chris go out to look for sea monsters they end up stranded on Albino Island and make a new friend...

The brother of a man Keith helped send to prison plans a deadly revenge.

Aphrodite goes into labor during a hurricane.

After a diving accident, Keith's dolphin speech-synthesizer dominates his dreams.

Eager for ratings, a promoter tries to force a pro beach volleyball player to retire.

A stranger makes two attempts on the life of an itinerant blues musician.

Dr. Keith Ricks returns to Florida to head an ocean research team...

Flipper finds a baby adrift on a raft.

Mike finds Maya living alone with no food or electricity; Sydney takes an unwelcome interest in the institute.

A mermaid is spotted from a newly bought submarine.

A horse trainer takes a Thoroughbred to save it from an insurance scam.

A top lifeguard's performance is slipping seriously.

Unscrupulous characters kidnap Flipper for a Cuban hotel's dolphin show.

A 17th-century pirate ship fires on the Maria D.

A great white attacks Flipper on a holiday weekend when only the interns are available.

An officer Tom knew in the Gulf War comes looking for revenge.

A surfer dazzles Maya; a benefactor has eyes for Keith.

An environmental terrorist targets the institute.

Reluctant, kidnapped Flipper is scheduled to perform for Castro.

Mike and Maya inadvertently bring back a deadly virus from forbidden Monkey Island.

Tracking devices indicate Flipper was responsible for two attacks on humans.