Here Be Dragons.After a mysterious sighting of a Sea Monster near a fishing village in Greenland, William Nekton, his wife Kaiko and their children Fontaine and Antaeus, a family of Underwater Explorers, decide to check out this story. Having found a missing fishing boat and a giant tooth wedged in it, Ant, in the 'White Knight' (a mechanical underwater dive suit), they discover the sea monster, which turns out to be a Plesiosaurus, then head for the village, where they are contacted by a man known as Nereus about a secret that this 'Dragon' guards. Curious about this info and the secret, The Nektons descend into a Deep Water Trench recently opened by a Sea Quake aboard their State-of-the-Art Submarine, The Aronnax and find an Ancient Scroll known as the "Chronicle of the Deep". After Nearly escaping the Dragon and the closing Deep Water Trench, they discover that the Chronicle holds a secret on how to find "Lemuria", An Ancient Underwater city that has been lost for thousands of years. The Episode ends with Nereus saying "And it Begins. This should be Interesting".