X

Join or Sign In

Sign in to customize your TV listings

Continue with Facebook Continue with email

By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.

The Deep Season 4 Episodes

Season 4 Episode Guide

13 Episodes 2022 - 2022

Episode 1

The Hole Truth

The Nektons are desperate to discover what happened to their missing grandparents after they found Lemuria. The search begins.

Where to Watch
The Deep, Season 4 Episode 1 image

Episode 2

The Biggest

Mad Madeline hunts for the biggest treasure in the world, but gets trapped by the biggest monster in the world.

Where to Watch
The Deep, Season 4 Episode 2 image

Episode 3

Little Problems

The Nektons must get three huge, newborn Monumential turtles under control before they sink another ship.

Where to Watch
The Deep, Season 4 Episode 3 image

Episode 4

The Lead

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?

Where to Watch
The Deep, Season 4 Episode 4 image

Episode 5

AWOL

A mysterious dolphin in a sophisticated electronic harness zaps all the power from the Rover. Ant and Fontaine manage to remove the harness, but can they rehabilitate this cybernetic dolphin to survive in the wild?

Where to Watch
The Deep, Season 4 Episode 5 image

Episode 6

At The Bottom of the Gyre

A clever machine Ant created to clean up a vast oceanic rubbish dump, has been eaten by a huge creature. Can the Nektons save Ant's machine, save the creature, and try to save the planet all in one day?

Where to Watch
The Deep, Season 4 Episode 6 image

Episode 7

Deceptive Appearances

Mad Madeline steals the dangerous Scepter of Queen Dorius; the Nektons find her, but she loses the scepter; to get it back, Ant must face his fear of sawfish, aka fish with a hedge-trimmer on their face.

Where to Watch
The Deep, Season 4 Episode 7 image

Episode 8

Getting Warmer

Ant and Fontaine rescue a Polar Bear from the middle of the ocean. When they bring it on board, they realize she's close to giving birth. Can the Nektons move her to a safer place in time?

Where to Watch
The Deep, Season 4 Episode 8 image

Episode 9

Walking with Fish

The Bajau Laut people are sea nomads living in the South China Sea, and they're hiding a secret. When Ant and Fontaine discover the secret, they're determined to help them. But how do you find a fish that walks?

Where to Watch
The Deep, Season 4 Episode 9 image

Episode 10

The Big Clue

Fontaine's amazed when Smiling Finn calls her and tells her he's detected a signal from her Grandparents' missing submarine. Is this a joke-an elaborate scam-or something even more amazing?

Where to Watch
The Deep, Season 4 Episode 10 image

Episode 11

Glass Houses

The Nektons help locate a legendary Singaporean glass cabinet, but discover it's guarded by a terrifying and familiar creature. Last time, they barely escaped with their lives. Will they be as lucky this time around?

Where to Watch
The Deep, Season 4 Episode 11 image

Episode 12

The Inside Story

A submarine is trapped in an astonishing location. The Nektons launch an elaborate and dangerous rescue mission to save the people inside. Could it be their missing grandparents?

Where to Watch
The Deep, Season 4 Episode 12 image

Episode 13

Unidentified Floating Objects

Devil Daniels is copying all Ant's ideas. He even has his own pet fish-Bethany. The Nektons are busy recovering sunken shipping containers, so when Bethany finds herself in danger, only Jeffrey can save her.

Where to Watch
The Deep, Season 4 Episode 13 image