Presents the story of the good doctor who learned the language of animals and made adventurous voyages. Doctor Dolittle heads for the high seas in perhaps the most amazing adventure ever experienced by man or animal. Told by nine-and-a-half-year-old Tommy Stubbins, crewman and future naturalist, the voyages of Doctor Dolittle and his company lead them to Spidermonkey Island. Along with his faithful friends, Polynesia the parrot and Chee-Chee the monkey, Doctor Dolittle survives a perilous shipwreck and lands on the mysterious floating island. There he meets the wondrous Great Glass Sea Snail who holds the key to the greatest mystery of all.