Flipper

The boys find themselves in deep water when they disobey their father and dive down to investigate a car that has been dumped in the ocean.

Flipper comes to the rescue when a submarine gets caught on the bottom of the ocean, trapping its occupant who is fast running out of air.

Bud isn't happy with the new woman in his father's life. Feeling alone in the world, Bud stays out in the ocean too late and winds up lost in an underwater cave at high tide.

City boy, Mike Beldon arrives in Corel Key with a huge chip on his shoulder about his mother's new husband. However, a near death accident helps him see his new step-father in a different light.

Dorrie steals Flipper and sells him to a carnival owner.

Porter is concerned that Bud is taking old Hap Gorman's stories too seriously and warns his son that not everything the old man tells him is true.

Flipper's days are numbered when he is accused of eating a prized fish worth a lot of money. Just as Flipper is to be cut open to retrieve the fish, Bud and Sandy discover it has been stolen by Jim and race to prove their pet's innocence in before it's too late.

Bud and Sandy hear Flipper say in plain English he wants to leave for London with Professor Marvello, and the professor's circus colleagues bring nets to take Flipper away.

Flipper saves the life of an old Greek sponge poacher in the preserve, but Bud and Sandy tell Po of his illegal activities.

Po and Sandy rescue a despondent former water ski champion, now in a wheelchair, and her mother from a hurricane. Flipper gets tangled in a fishnet.