Dec 2015 - present
7.4
Click the chart for info!
The adventures of the Nekton family, a family of daring underwater explorers who live aboard a state-of-the-art submarine, The Aronnax, and explore uncharted areas of the earth's oceans to unravel the mysteries of the deep.
S1 Ep1
8.0
1st Dec 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.
S2 Ep8
7.9
4th Sep 2017
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.
S2 Ep9
7.8
5th Feb 2018
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.
S2 Ep4
7.8
7th Aug 2017
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.
S2 Ep12
7.6
8th Feb 2018
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.
S2 Ep13
7.6
9th Feb 2018
When Alpheus Benthos announces he has found the gates to Lemuria, the Nektons fear he's beaten them to their greatest prize.
S1 Ep26
7.6
14th Sep 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.
S1 Ep2
7.6
20th Feb 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.
S1 Ep17
7.6
5th Sep 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.
S1 Ep20
7.5
8th Sep 2016
Devil Daniels, Monster Hunter, attempts to hunt a siren - a mythical creature whose song lures sailors to their doom.
S1 Ep7
7.4
11th Mar 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.
S1 Ep16
7.4
4th Sep 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.
S3 Ep7
7.3
9th Mar 2019
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.
S1 Ep15
7.3
3rd Sep 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.
S1 Ep8
7.3
12th Mar 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?
S2 Ep11
7.3
7th Feb 2018
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?
S2 Ep10
7.3
6th Feb 2018
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.
S2 Ep2
7.3
24th Jul 2017
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.
S1 Ep10
7.3
19th Mar 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?
S2 Ep6
7.3
21st Aug 2017
Smiling Finn comes to the Nektons for help. He wants them to stop his father, Captain Hammerhead, from stealing a treasure.
S2 Ep5
6.0
14th Aug 2017
A giant, upright creature, straight out of a monster movie, walks across the ocean floor, causing havoc.
S1 Ep23
6.3
11th Sep 2016
The Nektons are trying to identify a unique life form. They've never seen it, they've only heard its sound: 'Bloop'.
S3 Ep1
6.3
3rd Mar 2019
The Dark Orca pirates unwittingly steal a treasure that could awaken a Monumential.
S3 Ep9
6.3
11th Mar 2019
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.
S1 Ep13
6.4
1st Apr 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?
S4 Ep2
6.4
31st May 2022
Ant searches a deep chasm for clues to his grandparents' fate but is stunned to find Mad Madeline there. She has been looking for the biggest sunken treasure ever, but all she has managed to find is the biggest monster.
S4 Ep4
6.4
2nd Jun 2022
Does Dolos really have a lead on finding Antâs grandparents? Or is he leading the Nektons into a dangerous chasm between moving tectonic plates for nefarious purposes?
S4 Ep6
6.4
7th Jun 2022
Mad Madeline steals the dangerous Sceptre of Queen Dorius.
S3 Ep2
6.4
4th Mar 2019
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?
S3 Ep3
6.4
5th Mar 2019
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?
S1 Ep5
6.4
4th Mar 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?
S3 Ep10
6.5
12th Mar 2019
Jeffrey is kidnapped, in his 'Jeffrey Knight', by Dark Orca pirates. Can Jeffrey turn the tables and save himself?
S1 Ep21
6.6
9th Sep 2016
A fish invades Jeffrey's home on the Aronnax. How can he get rid of it and its bad luck?
S1 Ep25
6.6
13th Sep 2016
While fighting over Viking treasure, the Nektons take over the Dark Orca. But the pirates in turn take over the Aronnax.
S4 Ep1
6.6
30th May 2022
Ant and Fontaine realise that their grandparents found Lemuria before them - but where are they now? The Nektons follow the trail they left but run into giant, predatory Sand Strikers. Was this the fate of their grandparents?
S4 Ep3
6.6
1st Jun 2022
Three baby Monumential turtles hatch, and they are the size of city blocks. The playful babies accidentally sink a fishing trawler. Can the Nektons wrangle these creatures before they sink even more ships?
S4 Ep5
6.6
6th Jun 2022
A mysterious dolphin in a sophisticated electronic harness zaps all the Rover's power. Ant and Fontaine manage to remove the harness, but can they rehabilitate this cybernetic dolphin to survive in the wild?
S4 Ep7
6.6
8th Jun 2022
The Nektons help locate a legendary Singaporean glass cabinet. However, they discover it is guarded by a terrifying and familiar creature.
S4 Ep8
6.6
9th Jun 2022
The Nektons are busy recovering sunken shipping containers, so when Bethany the fish finds herself in danger, only Jeffrey can save her.
S4 Ep9
6.6
13th Jun 2022
Ant has created a clever machine to clean up a vast oceanic rubbish dump. However, when the machine is been eaten by a huge creature, it's up to the Nektons to save it.
S1 Ep1
8.0
1st Dec 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.
S1 Ep2
7.6
20th Feb 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.
S1 Ep3
7.0
26th Feb 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.
S1 Ep4
7.1
27th Feb 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.
S1 Ep5
6.4
4th Mar 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?
S1 Ep6
6.8
5th Mar 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.
S1 Ep7
7.4
11th Mar 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.
S1 Ep8
7.3
12th Mar 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?
S1 Ep9
7.2
18th Mar 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.
S1 Ep10
7.3
19th Mar 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?
S1 Ep11
7.0
25th Mar 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.
S1 Ep12
7.0
26th Mar 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?
S1 Ep13
6.4
1st Apr 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?
S1 Ep14
6.6
2nd Sep 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?
S1 Ep15
7.3
3rd Sep 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.
S1 Ep16
7.4
4th Sep 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.
S1 Ep17
7.6
5th Sep 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.
S1 Ep18
7.1
6th Sep 2016
Fontaine and Smiling Finn get stuck inside a giant clam as the Dark Orca pirates battle the Nektons for the giant pearl within.
S1 Ep19
7.0
7th Sep 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.
S1 Ep20
7.5
8th Sep 2016
Devil Daniels, Monster Hunter, attempts to hunt a siren - a mythical creature whose song lures sailors to their doom.
S1 Ep21
6.6
9th Sep 2016
A fish invades Jeffrey's home on the Aronnax. How can he get rid of it and its bad luck?
S1 Ep22
6.8
10th Sep 2016
The Rover is swallowed by a huge prehistoric shark. Will and Fontaine manage to cling to its gills just inside its mouth.
S1 Ep23
6.3
11th Sep 2016
The Nektons are trying to identify a unique life form. They've never seen it, they've only heard its sound: 'Bloop'.
S1 Ep24
7.0
12th Sep 2016
A weird glowing fish has lured every fish in the area to its bioluminescence, and Kaiko and Will also fall under its spell.
S1 Ep25
6.6
13th Sep 2016
While fighting over Viking treasure, the Nektons take over the Dark Orca. But the pirates in turn take over the Aronnax.
S1 Ep26
7.6
14th Sep 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.
