The Nektons encounter a huge, white whale, but Devil Daniels: Monster Hunter is trying to capture it. When they discover who the whale really is, the Nektons go head-to-head with Daniels to save it.

The Nektons find the Queen's sceptre. But faced with the Kraken and the Electric Ray Monumential together, can Ant make it work?

When Alpheus Benthos announces he has found the gates to Lemuria, the Nektons fear he's beaten them to their greatest prize.

The Nektons try to stop a fallen satellite's fuel from polluting a marine sanctuary. But someone else is interested in the satellite.

A mysterious ancient temple beneath the sea has been hidden for centuries. The Nektons discover it was hidden for a very good reason.

The Nektons enter an area of the Bermuda Triangle where the laws of physics don't seem to apply. What's more, they can't escape.

The Dark Orca pirates unwittingly steal a treasure that could awaken a Monumential.

Is the Baltic Sea anomaly really a UFO that crashed into the ocean? Ant thinks it is. But what the Nektons find inside is even more strange.

A giant, upright creature, straight out of a monster movie, walks across the ocean floor, causing havoc.

The Nektons find a mysterious underwater maze. When they enter it, walls shift and they become disoriented. They're soon trapped inside and, what's worse they're not alone.

The Nektons return to the mysterious Lemurian Gates they found previously. Exploring within, they're stunned to discover Lemuria is here.

The Nektons explore Lemuria but Fontaine realises the others are being affected by a dangerous algae. Can she find an antidote?

When Ant sees a mysterious creature swimming outside the Aronnax, he is determined to find out what it is, even when pirates get in his way.

At Catatumbo Bay, a lightning storm has been raging for hundreds of years, and for the first time, it's intensifying. The Nektons' investigations reveal that a gigantic creature is responsible.

Smiling Finn comes to the Nektons for help. He wants them to stop his father, Captain Hammerhead, from stealing a treasure.

The Nektons' nemesis Alpheus Benthos breaks into the Aronnax to steal the Ephemychron and stop the Nektons from finding Lemuria forever. Ant is determined to get it back at all costs.

The Nektons find the Dark Orca pirate submarine completely deserted. It's as if the pirate crew have abandoned it. But why? And what are those mysterious, ghostly sounds?

The Internet being down is the worst thing imaginable for Ant and Fontaine - until Ant finds the sea monster responsible for this. Can he save both?

Trying to rescue Jess Gorman in an underwater cave proves dangerous for Ant and Fontaine until a manatee comes to their aid. But is it too late?

The Aronnax and Alpheus's sub are trapped within a giant jellyfish. They've been eaten and the jellyfish won't let food out.

Devil Daniels insists he's relocating a dangerous killer whale. But it's a scam that turns dangerous. Our heroes need to save Ant and the whale.

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.

The Nektons try to save an island from the 'purple tide' that legend says will destroy everything. To save it, they need to locate the Protector.

Ant wants to go faster than the fastest fish in the sea - the sailfish. But he hasn't counted on a deadly oil spill that threatens to destroy them.

The Nektons find an amazing underwater crop circle. It's been built by a giant male puffer fish to attract a mate. Can Ant help the romance along?