E1 - Here Be Dragons

Aired: December 01, 2015

A dragon hunting expedition leads Ant to an ancient scroll that holds clues to an amazing mystery. But his family are trapped by the dragon and only Ant and Jeffrey can save them. And Jeffrey's a fish.

E2 - Dark Orca

Aired: February 20, 2016

The Dark Orca pirates attack. They believe the Nektons have a rare treasure aboard their sub. With pirates on one side and an erupting undersea volcano on the other, the Nektons will have to get creative to escape.

E3 - A.I.M.Y.

Aired: February 26, 2016

An artificial intelligence programmed to run the sub and protect the Nektons tries to stop their rescue mission because it's too risky. When they try to shut her down, she takes over completely to save them from themselves.

E4 - Digging Deeper

Aired: February 27, 2016

Will and Ant are retrieving an item from the deepest part of the ocean, but it is not what they were told. They've been duped. And now there's a stowaway on the Aronnax, trying to take control of it.

E5 - Devil's Sea Mystery

Aired: March 04, 2016

Are aliens stealing things from a Japanese island and dragging them underwater? Ant believes that's perfectly reasonable. The Nektons investigate and find something even more dangerous. But can they escape?

E6 - Lonesome Jim

Aired: March 05, 2016

Someone just stole the rarest tortoise in the world and the Nektons are searching for it. But the man who stole it secretly wants to capture them too. They're walking into a trap, but really, there's no other way.

E7 - Captured

Aired: March 11, 2016

Captain Hammerhead has captured the Nektons aboard his sub! But his rusty vessel is about to sink. The Arronax could save them all, but first, Hammerhead would have to free the Nektons-and that's not exactly in his character.

E8 - The Test

Aired: March 12, 2016

To find a piece of the mysterious Ephemychron, the Nektons have to fight off whirlpools, zero visibility and giant robotic jellyfish. Is Nereus doing this to them? If not, who is really behind all these obstacles?

E9 - Fossil

Aired: March 18, 2016

Huge prehistoric crocodiles still inhabit an underwater cave system the Nektons are exploring. Ant shouldn't have bonded with that baby croc-its enormous mother doesn't take kindly to kidnappers, and now she's after him.

E10 - Colossal Squid

Aired: March 19, 2016

Ant and Fontaine hunt for one of the rarest ocean creatures: the colossal squid. But it turns out to be smarter than anyone thought and thinks the Nektons look tasty. Can the Aronnax survive being pulled down very, very deep?

E11 - Monster Hunter

Aired: March 25, 2016

Media superstar Devil Daniels - Monster Hunter is hunting a sea creature that he believes is a menace, but the Nektons want to protect it. To make matters worse, the public are on Daniels's side.

E12 - The Phantom Sub

Aired: March 26, 2016

Does a ghost sub haunt the ocean depths? Ant believes it does, but when he actually finds this "ghost sub", the truth is even stranger - and much more dangerous. Ant and Fontaine find themselves trapped - by a ghost?

E13 - The Abyss Stares Back

Aired: April 01, 2016

While diving in a rare blue hole, a sinkhole in the middle of the sea, strange things begin to happen to the Nektons. They're seeing things that can't exist. And where did the exit go? Why is there no way out?

E14 - Junior Nektons

Aired: September 02, 2016

Ant and Fontaine are sure they can control some young fans visiting the Aronnax. But when they have to rescue a whale calf, success depends on them and all the hyperactive kids working well together. What could go wrong?

E15 - Treasure of the Islanders

Aired: September 03, 2016

Dolos has sold two maps leading to the same treasure: one to the Nektons, the other to the pirates. Now it's a race to get there first, and the winner will need to use every sneaky trick in the book to win.

E16 - Tunnel

Aired: September 04, 2016

As the Nektons explore a mysterious tunnel behind a huge undersea waterfall, strange creatures and strong currents surprise them at every turn. Everything is not as it seems.

E17 - The Sunken Gallery

Aired: September 05, 2016

The Nektons are arrested for stealing. Ant and Fontaine escape to prove their innocence, but whoever set them up is already two steps ahead.

E18 - Field of Giants

Aired: September 06, 2016

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

E19 - The Proteus Factor

Aired: September 07, 2016

Proteus, leader of the mysterious Guardians, traps the Aronnax in a magnetic field and kidnaps Ant, believing he is the key to finding Lemuria.

E20 - Song of the Siren

Aired: September 08, 2016

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

E21 - Bad Luck Fish

Aired: September 09, 2016

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

E22 - Strange Migration

Aired: September 10, 2016

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

E23 - Bloop

Aired: September 11, 2016

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

E24 - The Twilight Zone

Aired: September 12, 2016

A weird glowing fish has lured every fish in the area to its bioluminescence, and Kaiko and Will also fall under its spell.

E25 - Loki's Castle

Aired: September 13, 2016

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

E26 - Tartaruga

Aired: September 14, 2016

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