The Secrets of Quetzo - S1.E2

Lopaka, a young boy, is taught by his closest friend, a dolphin called Flipper, how to survive underwater so that they can both explore the secrets of Quezo, a sunken city. A giant octopus called Dexter is the evil ruler of the city. Lopaka and Flipper experience many adventures as they try to avoid running into one of Dexter's strongmen.