The BEST episodes of The Deep (2015)

Every episode of The Deep (2015) ever, ranked from best to worst by thousands of votes from fans of the show. The best 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: 4/19/2024Network: ABC MeStatus: Continuing

7.89

9 votes

#1 - Hidden Secrets

Season 2 - Episode 8 - Aired 9/4/2017

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.

Watch Now:Amazon Apple TV

7.84

25 votes

#2 - Here Be Dragons

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

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 can save them!

Directors: Trent Carlson

Writer: Tom Taylor

Watch Now:Amazon

7.80

5 votes

#3 - The Maze

Season 2 - Episode 9 - Aired 9/11/2017

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 worsethey're not alone!

Watch Now:Amazon Apple TV

7.70

10 votes

#4 - Treacherous Waters

Season 2 - Episode 4 - Aired 8/7/2017

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! Can it be that Jeffrey has to save the day?

Watch Now:Amazon Apple TV

7.63

8 votes

#5 - Thunder & Lightning

Season 2 - Episode 12 - Aired 10/3/2017

At Catatumbo Bay, a lightning storm has been raging for hundreds of yearsand for the first time, it's intensifying. The Nektons' investigations reveal that a gigantic creature is responsible!

Watch Now:Amazon Apple TV

7.60

5 votes

#6 - Tartaruga

Season 1 - Episode 26 - Aired 1/5/2016

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

Directors: Trent Carlson

Writer: Philip Dalkin, Tom Taylor

Watch Now:Amazon

7.60

10 votes

#7 - The Gates

Season 2 - Episode 13 - Aired 10/10/2017

Alpheus has finally found the gates to Lemuria, and the Nektons must stop him before he unleashes powers on the world that even he can't control.

Watch Now:Amazon Apple TV

7.57

7 votes

#8 - The Sunken Gallery

Season 1 - Episode 17 - Aired 12/23/2015

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

Directors: Trent Carlson

Writer: Philip Dalkin, Tom Taylor

Watch Now:Amazon

7.53

43 votes

#9 - Lonesome Jim

Season 1 - Episode 6 - Aired 12/8/2015

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

Directors: Trent Carlson

Writer: Philip Dalkin, Tom Taylor

Watch Now:Amazon

7.50

8 votes

#10 - Song of the Siren

Season 1 - Episode 20 - Aired 12/28/2015

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

Directors: Trent Carlson

Writer: Philip Dalkin, Tom Taylor

Watch Now:Amazon

7.38

26 votes

#11 - Dark Orca

Season 1 - Episode 2 - Aired 12/2/2015

The Dark Orca pirates attack, they believe the Nektons have treasure aboard their sub.

Directors: Trent Carlson

Writer: David Evans, Tom Taylor

Watch Now:Amazon

7.38

8 votes

#12 - Tunnel

Season 1 - Episode 16 - Aired 12/22/2015

As the Nektons explore a mysterious tunnel behind a huge undersea waterfall, strange creatures and strong currents surprise them at every turn.

Directors: Trent Carlson

Writer: Philip Dalkin, Tom Taylor

Watch Now:Amazon

7.33

15 votes

#13 - Treasure of the Islanders

Season 1 - Episode 15 - Aired 12/21/2015

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.

Directors: Trent Carlson

Writer: Philip Dalkin, Tom Taylor

Watch Now:Amazon

7.31

16 votes

#14 - Captured

Season 1 - Episode 7 - Aired 12/9/2015

Captain Hammerhead captures the Nektons aboard his submarine! But when his sub begins to sink, only the Aronnax can help.

Directors: Trent Carlson

Writer: Daniel Hall, Tom Taylor

Watch Now:Amazon

7.29

17 votes

#15 - The Test

Season 1 - Episode 8 - Aired 12/10/2015

To find a piece of the mysterious Ephemychron, the Nektons have to fight off whirlpools, zero visibility and giant, robotic jellyfish.

Directors: Trent Carlson

Writer: Philip Dalkin, Tom Taylor

Watch Now:Amazon

7.29

7 votes

#16 - The Missing

Season 2 - Episode 11 - Aired 9/26/2017

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?

Watch Now:Amazon Apple TV

7.29

7 votes

#17 - The Baltic Sea Anomaly

Season 2 - Episode 2 - Aired 7/24/2017

Is the Baltic Sea anomaly really a UFO that crashed into the ocean 600 years ago? Ant thinks it is. But what the Nektons find inside is even more strange and frightening.

Watch Now:Amazon Apple TV

7.29

7 votes

#18 - Whale of a Tale

Season 2 - Episode 10 - Aired 9/19/2017

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!

Watch Now:Amazon Apple TV

7.25

12 votes

#19 - Finn Comes Aboard

Season 2 - Episode 6 - Aired 8/21/2017

Pirate boy Smiling Finn comes to the Nektons pleading for help. He wants them to stop his father, Captain Hammerhead, from stealing a treasure that he believes will destroy his family.

Watch Now:Apple TV

7.21

14 votes

#20 - Fossil

Season 1 - Episode 9 - Aired 12/11/2015

The Nektons explore an underwater cave system inhabited by huge, prehistoric crocodiles. Ant befriends a new hatchling, much to the annoyance of its mother.

Directors: Trent Carlson

Writer: Philip Dalkin, Tom Taylor

Watch Now:Amazon

7.17

6 votes

#21 - Purple Tide

Season 3 - Episode 8 - Aired 3/10/2019

The Nektons try to save an island from "The Purple Tide" that legend says will destroy everything. To save it, they need to find "The Protector".

Watch Now:Amazon Apple TV

7.14

7 votes

#22 - Field of Giants

Season 1 - Episode 18 - Aired 12/24/2015

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

Directors: Trent Carlson

Writer: Philip Dalkin, Tom Taylor

Watch Now:Amazon

7.13

16 votes

#23 - Digging Deeper

Season 1 - Episode 4 - Aired 12/4/2015

The object that Will and Ant are retrieving from the deepest part of the ocean is not what they expected.

Directors: Trent Carlson

Writer: Tom Taylor

Watch Now:Amazon

7.11

9 votes

#24 - Beware the Sentinels

Season 2 - Episode 7 - Aired 8/27/2017

A mysterious, ancient temple beneath the sea has been hidden for centuries. The Nektons discover it was hidden for a very good reason, and the local sea life protect it at all costs!

Watch Now:Apple TV

7.09

11 votes

#25 - From the Stars

Season 2 - Episode 1 - Aired 7/17/2017

The Nektons try to stop a fallen satellite's fuel from polluting a marine sanctuary. But someone else is interested in the satellite - Alpheus Benthos, who is intent on finding Lemuria before them!

Watch Now:Amazon Apple TV