The Nekton family live aboard their state of the art submarine-the Aronnax. Their family belongs to a great tradition of explorers of the unknown who travel the globe, solve underwater mysteries and have amazing adventures. This visually stunning underwater domain is at once both familiar and strange, a beautiful and sometimes scary place, populated with all manner of fascinating lifeforms.
The pirates and the Nektons fight over a Lemurian shipwreck. The pirates escape with a treasure chest, but don't realize it contains a bioluminescent organism that will awaken a fearsome Monumential when the chest is opened! It could destroy them all!
A broken undersea internet cable means Ant and Fontaine's internet is cut! Ant and Fontaine fix the cable, but find its energy is annoying a giant sea monster that is intent on wrecking it all over again! Can they save the cable - and the creature?
While exploring an underwater cave, Jess Gorman goes missing. Ant and Fontaine try to rescue her. When they too get into difficulties, a mother and baby manatee come to help them. But an undersea volcano threatens them all!
The Aronnax and Alpheus' sub are trapped within a giant Jellyfish Monumential! The Nektons try to rescue Alpheus, but he will not leave his artificial intelligence, ARIA. Ant finds the truth about their relationship as he too fights to save her.
"Devil Daniels: Whale Relocater" insists he's relocating a dangerous killer whale. The Nektons, however, uncover a new scam of his and this scam puts Ant and the friendly killer whale in danger. It's a battle against time to save them both!
The Nektons find an amazing, huge crop circle underwater! It's made by a giant male puffer fish to attract a mate! Ant decides to help the romance along. But the Dark Orca Pirates are bound to ruin Ant's plans by destroying this work of art.
Ant tries to locate a "diamond-horned sea-unicorn" as a present for Fontaine's birthday. But Dolos and Devil Daniels are also hunting it. Ant realizes this creature from Fontaine's childhood is actually a narwhal! Can he find it before the others?
Glaucus enlists the Nektons to save his island home from a "Purple Tide" that legend says will destroy his island. Their only hope seems to be to find "The Protector" - an equally legendary statue. But can a statue really save an island? And how?
Ant wants to go faster than the fastest fish in the sea - the sailfish. But when the race leads to dumped oil, the fish become severely sick. The dumper is Dolos, and the Nektons now must find a way to stop him before more fish are affected.
Jeffrey is kidnapped in his "Jeffrey Knight" by Dark Orca pirates, who want to steal the Knight's tech for themselves. The Nektons try to mount a rescue mission but time is running out-can Jeffrey turn the tables on the pirates and save himself?
