The WORST episodes of The Deep (2015)

Every episode of The Deep (2015) ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of The Deep (2015)!

The sea is deep and full of secrets! Meet the Nektons, a family of explorers uncovering the unknown mysteries that lie beneath.

Last Updated: 3/25/2024Network: ABC MeStatus: Continuing
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Kenji’s Monster
star
6.00
10 votes

#1 - Kenji’s Monster

Season 2 - Episode 5 - Aired 8/14/2017

A giant, upright creature, straight out of a monster movie, is walking across the ocean floor, causing havoc. Kaiko knows this isn't a normal sea creature. But what is it? And how can it be stopped?

Watch Now:AmazonApple TV
Devil's Sea Mystery
star
6.18
17 votes

#2 - Devil's Sea Mystery

Season 1 - Episode 5 - Aired 12/7/2015

Are aliens stealing things from a Japanese island and dragging them underwater? The Nektons investigate and find something even more dangerous and amazing!

Directors: Trent Carlson
Writer: Tom Taylor
Watch Now:AmazonApple TV
The Race
star
6.33
6 votes

#3 - The Race

Season 3 - Episode 9 - Aired 3/11/2019

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

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The Treasure
star
6.33
6 votes

#4 - The Treasure

Season 3 - Episode 1 - Aired 3/3/2019

The Dark Orca pirates unwittingly steal a treasure that can awaken a Monumential and possibly destroy them and the Nektons.

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Bloop
star
6.33
6 votes

#5 - Bloop

Season 1 - Episode 23 - Aired 12/31/2015

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

Directors: Trent Carlson
Watch Now:AmazonApple TV
The Abyss Stares Back
star
6.38
8 votes

#6 - The Abyss Stares Back

Season 1 - Episode 13 - Aired 12/17/2015

While diving into a rare 'blue hole', a sinkhole in the middle of the sea, strange things begin to happen to the Nektons.

Directors: Trent Carlson
Watch Now:AmazonApple TV
Deceptive Appearances
star
6.40
5 votes

#7 - Deceptive Appearances

Season 4 - Episode 6 - Aired 6/29/2022

Mad Madeline steals the dangerous Sceptre of Queen Dorius.

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The Lead
star
6.40
5 votes

#8 - The Lead

Season 4 - Episode 4 - Aired 6/27/2022

Does Dolos really have a lead on finding Ant’s grandparents? Or is he leading the Nektons into a dangerous chasm between moving tectonic plates for nefarious purposes?

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Friends In Deep Places
star
6.43
7 votes

#9 - Friends In Deep Places

Season 3 - Episode 3 - Aired 3/5/2019

Trying to rescue Jess Gorman in an underwater cave proves dangerous for Ant and Fontaine until a Manatee comes to their aid.

Watch Now:AmazonApple TV
Off Line
star
6.43
7 votes

#10 - Off Line

Season 3 - Episode 2 - Aired 3/4/2019

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

Watch Now:AmazonApple TV
Kidnapped
star
6.50
6 votes

#11 - Kidnapped

Season 3 - Episode 10 - Aired 3/12/2019

Jeffrey is kidnapped, in his "Jeffrey Knight", by Dark Orca pirates. Can Jeffrey turn the tables and save himself?

Watch Now:AmazonApple TV
Unidentified Floating Objects
star
6.60
5 votes

#12 - Unidentified Floating Objects

Season 4 - Episode 8 - Aired 7/1/2022

The Nektons are busy recovering sunken shipping containers, so when Bethany the fish finds herself in danger, only Jeffrey can save her!

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Bad Luck Fish
star
6.60
5 votes

#13 - Bad Luck Fish

Season 1 - Episode 21 - Aired 12/29/2015

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

Directors: Trent Carlson
Watch Now:AmazonApple TV
Loki's Castle
star
6.60
5 votes

#14 - Loki's Castle

Season 1 - Episode 25 - Aired 1/4/2016

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

Directors: Trent Carlson
Watch Now:AmazonApple TV
Just Eaten
star
6.60
5 votes

#15 - Just Eaten

Season 3 - Episode 4 - Aired 3/6/2019

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

Watch Now:AmazonApple TV
The Circle Game
star
6.60
5 votes

#16 - The Circle Game

Season 3 - Episode 6 - Aired 3/8/2019

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

Watch Now:AmazonApple TV
The Hole Truth
star
6.60
5 votes

#17 - The Hole Truth

Season 4 - Episode 1 - Aired 6/24/2022

Ant and Fontaine realise their grandparents found Lemuria before them - but where are they now?\n\nThe Nektons follow the trail they left but run into giant, predatory Sand Strikers! Was this the fate of their grandparents?

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The Biggest
star
6.60
5 votes

#18 - The Biggest

Season 4 - Episode 2 - Aired 6/25/2022

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!

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Little Problems
star
6.60
5 votes

#19 - Little Problems

Season 4 - Episode 3 - Aired 6/26/2022

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?

Watch Now:AmazonApple TV
AWOL
star
6.60
5 votes

#20 - AWOL

Season 4 - Episode 5 - Aired 6/28/2022

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?

Watch Now:AmazonApple TV
Glass Houses
star
6.60
5 votes

#21 - Glass Houses

Season 4 - Episode 7 - Aired 6/30/2022

The Nektons help locate a legendary Singaporean glass cabinet. However, they discover it is guarded by a terrifying and familiar creature.

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At the Bottom of the Gyre
star
6.60
5 votes

#22 - At the Bottom of the Gyre

Season 4 - Episode 9 - Aired 7/2/2022

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.

Watch Now:AmazonApple TV
Walking with Fish
star
6.60
5 votes

#23 - Walking with Fish

Season 4 - Episode 10 - Aired 7/3/2022

Ant and Fontaine discover the secret of the Bajau Laut people, a tribe of sea nomads living in the South China Sea. The pair are determined to help them - but how do you find a fish that walks?

Watch Now:AmazonApple TV
Getting Warmer
star
6.60
5 votes

#24 - Getting Warmer

Season 4 - Episode 11 - Aired 7/4/2022

Ant and Fontaine rescue a polar bear from the middle of the ocean. However, when they bring her onboard, they realize she is close to giving birth! Can the Nektons move her to a safer place in time?

Watch Now:AmazonApple TV
The Big Clue
star
6.60
5 votes

#25 - The Big Clue

Season 4 - Episode 12 - Aired 7/5/2022

Fontaine is amazed when Smiling Finn tells her that he has detected a signal from her grandparents’ missing submarine. Is this a joke, an elaborate scam, or something even more amazing?

Watch Now:AmazonApple TV