Aunt Cleo has an adventurous outing when she joins Tim on a nautical picnic. The unannounced arrival of Aunt Cleo fills her nephew Taylor with foreboding. He s certain his irresponsible but thoroughly honorable aunt has come to take his younger brother Tim away to join in her whirlwind flight through the world.
While exploring a haunted mansion, Tim and Rod are trapped inside a freezer by a heavy door.
Salty takes the boys to a seemingly deserted lighthouse, where they befriend an eccentric old man adamant about keeping his whereabouts unknown.
Clancy decides to retire and sell the marina but Taylor and Tim find out that the prospective buyer is not exactly what he claims to be.
Clancy's college sweetheart has come to the island with hopes of persuading him to join her law practice in New York.
A ruthless college professor uses Salty as a subject for an experiment to secure tenure for himself.
A man who believes in nature's healing powers may witness his daughter's final hours unless he allows a doctor to examine her.
A marine biologist's work is hindered by two jewel smugglers who are trying to keep her away from the water.
Three bank robbers hold Rod hostage while they wait for his father to ransom him.
A frantic search for Tim begins after lab tests indicate that he has eaten rancid food.
In his rush to bring insulin to a stranded diabetic, Tim takes the wrong boat, and runs out of gas midway with no radio to signal for help.
While conducting an undersea tour, Taylor's submarine gets trapped in a cave.
The story of how Taylor and his withdrawn younger brother Tim came to settle on the island is told in this episode.
Salty is caught by a fisherman who refuses to release his new possession.
On the beach Tim finds what turns out to be an Indian good luck charm. When he later loses the charm, he is sure it will bring bad luck and things begin to look that way when fire breaks out.
An animal dealer wants to buy Salty for a circus and when he is refused, accidents begin to happen which look as it Salty has gone wild.
With business in the marina at a standstill, Taylor and Tim do odd jobs to help Clancy pay the bills.
Salty foils the plan of a girl and her boyfriend who were attempting to collect the reward for jewelry they stole from the boy's uncle.
Taylor is suspected of looting sunken treasure when a bag of artifacts is found on his skiff.
Salty acts very withdrawn, leading everyone to believe that he is jealous of a visiting sea lion.