Episode Title:A Tail of Two Snails.Episode Description:Oil pollution has destroyed the habitat of Hamilton, the last of the Giant Pink Sea Snails, and has also meant there are no sea-cumbers which are his only food source. Dolittle plans to tow the snail to Sea-Cumber Island, with a cargo of three tons of sea-cumbers cut from the ocean bed by the swordfish. All is going well until the appearance of a second giant snail...only this one's on wheels and hides the pirates inside!