Watch Captain Jon Explores the Ocean (1970) : Full Movie Online Free Explore the sea with this fascinating voyage hosted by Captain Jon Schellenger. The trip begins with a seaplane trip through the Florida Keys to the Dolphin Research Center, where Captain Jon introduces the fun-loving residents. Then it's off to an artificial reef made from a sunken ship, where colorful tropical fish have been given a new home. Captain Jon shares ocean facts, discusses the varieties of fish and explains this fragile ecosystem.