A dragon hunting expedition leads Ant to an ancient scroll that holds clues to an amazing mystery. B...

The Dark Orca pirates attack. They believe the Nektons have a rare treasure aboard their sub. With p...

An artificial intelligence programmed to run the sub and protect the Nektons tries to stop their res...

Will and Ant are retrieving an item from the deepest part of the ocean, but it is not what they were...

Are aliens stealing things from a Japanese island and dragging them underwater? Ant believes that's...

Someone just stole the rarest tortoise in the world and the Nektons are searching for it. But the ma...

Captain Hammerhead has captured the Nektons aboard his sub! But his rusty vessel is about to sink. T...

To find a piece of the mysterious Ephemychron, the Nektons have to fight off whirlpools, zero visibi...

Huge prehistoric crocodiles still inhabit an underwater cave system the Nektons are exploring. Ant s...

Ant and Fontaine hunt for one of the rarest ocean creatures: the colossal squid. But it turns out to...

Media superstar Devil Daniels - Monster Hunter is hunting a sea creature that he believes is a menac...

Does a ghost sub haunt the ocean depths? Ant believes it does, but when he actually finds this "ghos...

While diving in a rare blue hole, a sinkhole in the middle of the sea, strange things begin to happe...

Ant and Fontaine are sure they can control some young fans visiting the Aronnax. But when they have...

Dolos has sold two maps leading to the same treasure: one to the Nektons, the other to the pirates....

As the Nektons explore a mysterious tunnel behind a huge undersea waterfall, strange creatures and s...

The Nektons are arrested for stealing. Ant and Fontaine escape to prove their innocence, but whoever...

Fontaine and Smiling Finn get stuck inside a giant clam as the Dark Orca pirates battle the Nektons...

Proteus, leader of the mysterious Guardians, traps the Aronnax in a magnetic field and kidnaps Ant,...

Devil Daniels, Monster Hunter, attempts to hunt a siren - a mythical creature whose song lures sailo...

A fish invades Jeffrey's home on the Aronnax. How can he get rid of it and its bad luck?

The Rover is swallowed by a huge prehistoric shark. Will and Fontaine manage to cling to its gills j...

The Nektons are trying to identify a unique life form. They've never seen it, they've only heard its...

A weird glowing fish has lured every fish in the area to its bioluminescence, and Kaiko and Will als...

While fighting over Viking treasure, the Nektons take over the Dark Orca. But the pirates in turn ta...

The Nektons explore a floating island and find the final piece of the Ephemychron in a cave. But the...

The Nektons try to stop a fallen satellite's fuel from polluting a marine sanctuary. But someone els...

Is the Baltic Sea anomaly really a UFO that crashed into the ocean? Ant thinks it is. But what the N...

When Ant sees a mysterious creature swimming outside the Aronnax, he is determined to find out what...

The Nektons enter an area of the Bermuda Triangle where the laws of physics don't seem to apply. Wha...

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

Smiling Finn comes to the Nektons for help. He wants them to stop his father, Captain Hammerhead, fr...

A mysterious ancient temple beneath the sea has been hidden for centuries. The Nektons discover it w...

The Nektons' nemesis Alpheus Benthos breaks into the Aronnax to steal the Ephemychron and stop the N...

The Nektons find a mysterious underwater maze. When they enter it, walls shift and they become disor...

The Nektons encounter a huge, white whale, but Devil Daniels: Monster Hunter is trying to capture it...

The Nektons find the Dark Orca pirate submarine completely deserted. It's as if the pirate crew have...

At Catatumbo Bay, a lightning storm has been raging for hundreds of years, and for the first time, i...

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

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

The Internet being down is the worst thing imaginable for Ant and Fontaine - until Ant finds the sea...

Trying to rescue Jess Gorman in an underwater cave proves dangerous for Ant and Fontaine until a man...

The Aronnax and Alpheus's sub are trapped within a giant jellyfish. They've been eaten and the jelly...

Devil Daniels insists he's relocating a dangerous killer whale. But it's a scam that turns dangerous...

The Nektons find an amazing underwater crop circle. It's been built by a giant male puffer fish to a...

Ant tries to locate a 'diamond-horned sea-unicorn' as a present for Fontaine's birthday. But Dolos a...

The Nektons try to save an island from the 'purple tide' that legend says will destroy everything. T...

Ant wants to go faster than the fastest fish in the sea - the sailfish. But he hasn't counted on a d...

Jeffrey is kidnapped, in his 'Jeffrey Knight', by Dark Orca pirates. Can Jeffrey turn the tables and...

The Nektons return to the mysterious Lemurian Gates they found previously. Exploring within, they're...

The Nektons explore Lemuria but Fontaine realises the others are being affected by a dangerous algae...

The Nektons find the Queen's sceptre. But faced with the Kraken and the Electric Ray Monumential tog...

Ant and Fontaine realise that their grandparents found Lemuria before them - but where are they now?...

Ant searches a deep chasm for clues to his grandparents' fate but is stunned to find Mad Madeline th...

Three baby Monumential turtles hatch, and they are the size of city blocks. The playful babies accid...

Does Dolos really have a lead on finding Ant’s grandparents? Or is he leading the Nektons into a dan...

A mysterious dolphin in a sophisticated electronic harness zaps all the Rover's power. Ant and Fonta...

Mad Madeline steals the dangerous Sceptre of Queen Dorius.

The Nektons help locate a legendary Singaporean glass cabinet. However, they discover it is guarded...

The Nektons are busy recovering sunken shipping containers, so when Bethany the fish finds herself i...

Ant has created a clever machine to clean up a vast oceanic rubbish dump. However, when the machine...

Ant and Fontaine discover the secret of the Bajau Laut people, a tribe of sea nomads living in the S...

Ant and Fontaine rescue a polar bear from the middle of the ocean. However, when they bring her onbo...

Fontaine is amazed when Smiling Finn tells her that he has detected a signal from her grandparents’...

A submarine is trapped in an astonishing location. The Nektons launch an elaborate and dangerous res...