The BEST episodes of Octonauts season 2

Every episode of Octonauts season 2, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Octonauts season 2!

Captain Barnacles and his intrepid band of explorers roam the oceans in search of adventure and fun. Whether it's a perilous voyage to the bottom of the sea or the piratey pursuit of a giant squid, the Octonauts leap into action and always prove that eight heads are better than one.

Last Updated: 4/10/2024Network: CBeebiesStatus: Continuing
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The Coconut Crabs
star
8.35
74 votes

#1 - The Coconut Crabs

Season 2 - Episode 3 - Aired 11/21/2012

Kwazii finds a mysterious, unbreakable coconut, so the Octonauts seek out the help of some large, island-dwelling coconut crabs to open it.

Watch Now:AmazonApple TV
The Sea Snakes
star
8.20
74 votes

#2 - The Sea Snakes

Season 2 - Episode 5 - Aired 11/23/2012

It's Sea Snakes on an Octopod when a poisonous sea krait lays her eggs in the garden pod, just as Captain Barnacles has to navigate the ship past a treacherous whirlpool.

Watch Now:AmazonApple TV
The Colossal Squid
star
7.40
84 votes

#3 - The Colossal Squid

Season 2 - Episode 1 - Aired 11/19/2012

The Octopod is attacked by a colossal squid, who drags the ship down an abyssal trench, forcing Barnacles and Kwazii to make a perilous swim outside to confront the gigantic beast.

Watch Now:AmazonApple TV
The Humphead Parrotfish
star
7.33
12 votes

#4 - The Humphead Parrotfish

Season 2 - Episode 21 - Aired 9/2/2013

The Octonauts use magnets to try to stop a meteor that's heading toward the Octopod and get an assist from a rock-chomping humphead parrotfish and her friends.

Watch Now:Amazon
The Bowhead Whales
star
7.26
47 votes

#5 - The Bowhead Whales

Season 2 - Episode 6 - Aired 11/26/2012

When the Octonauts are unable to rescue a group of Narwhals trapped behind arctic ice, they recruit a Bowhead Whale to help them break through!

Watch Now:AmazonApple TV
The Jawfish
star
7.23
43 votes

#6 - The Jawfish

Season 2 - Episode 7 - Aired 11/27/2012

Animated deep sea adventure series. Captain Barnacles and his intrepid band of explorers roam the oceans in search of adventure and fun. A mouthbrooding jawfish father has lost his eggs, and the Octonauts must brave strong currents and other obstacles to help get them back to him!

Watch Now:AmazonApple TV
The Manatees
star
7.22
9 votes

#7 - The Manatees

Season 2 - Episode 19 - Aired 5/16/2013

Running out of air, Barnacles struggles to free his paw from the mouth of a giant clam, while simultaneously directing his crew in a delicate manatee rescue operation.

Watch Now:Amazon
The Gulper Eels
star
7.18
39 votes

#8 - The Gulper Eels

Season 2 - Episode 22 - Aired 9/3/2013

When hungry gulper eels as well as undersea tremors threaten Inkling and Kwazii, Dashi uses the new, multi-purpose Octo Max Suit to rescue them.

Watch Now:Amazon
The Fiddler Crabs
star
7.17
40 votes

#9 - The Fiddler Crabs

Season 2 - Episode 12 - Aired 3/12/2013

The Octonauts help clean up a beach after a storm, but things get complicated when the resident fiddler crabs hijack the Gup-D!

Watch Now:AmazonApple TV
The Lionfish
star
7.17
12 votes

#10 - The Lionfish

Season 2 - Episode 17 - Aired 5/14/2013

The Octonauts get more than they bargained for when they use the Octopod to transport a pair of invasive lionfish back to their native habitat.

Watch Now:Amazon
The Saltwater Crocodile
star
7.16
38 votes

#11 - The Saltwater Crocodile

Season 2 - Episode 20 - Aired 5/17/2013

When a gigantic saltwater crocodile wanders into freezing waters, the Octonauts must figure out how to get the predator back to his warm water home - without anyone getting hurt.

Watch Now:Amazon
The Long Armed Squid
star
7.14
14 votes

#12 - The Long Armed Squid

Season 2 - Episode 11 - Aired 3/11/2013

Peso and Kwazii venture down to the midnight zone to help a hurt creature, but what they find is a shipwreck 'haunted' by a spooky-looking long-armed squid.

Watch Now:AmazonApple TV
The Porcupine Puffer
star
7.10
48 votes

#13 - The Porcupine Puffer

Season 2 - Episode 8 - Aired 11/28/2012

Barnacles, Kwazii and Peso venture back inside a whale shark to retrieve a Porcupine Puffer Fish that was accidentally swallowed.

Watch Now:AmazonApple TV
The Damselfish
star
7.10
20 votes

#14 - The Damselfish

Season 2 - Episode 9 - Aired 11/29/2012

The Octonauts help a group of algae-eating fish stand up to some aggressive damselfish, who are harming their own reef by over-farming it with algae.

Watch Now:AmazonApple TV
The Triggerfish
star
7.05
38 votes

#15 - The Triggerfish

Season 2 - Episode 15 - Aired 3/15/2013

The Octonauts' floating temperature sensors alert them to a risk of waterspouts due to a rise in sea surface temperature so they decide to retrieve the devices for safe-keeping. But Kwazii gets into an argument with a possessive triggerfish which has adopted one of the devices as its home, and they both get carried away by a waterspout. Kwazii ends up having to defend the fish from a seabird and a swordfish that want to eat it. Luckily the characteristic grunting sounds that triggerfish make when distressed enables the other Octonauts to locate them.

Watch Now:Amazon
The Scared Sperm Whale
star
7.04
46 votes

#16 - The Scared Sperm Whale

Season 2 - Episode 10 - Aired 11/30/2012

A timid sperm whale must help the Octonauts release Peso from a giant clam.

Watch Now:AmazonApple TV
The Manta Rays
star
6.95
43 votes

#17 - The Manta Rays

Season 2 - Episode 13 - Aired 3/13/2013

The Octonauts help a young manta ray find the secret manta ray feeding grounds, but when they finally locate it, the Octonauts become caught in the middle of a dangerous feeding frenzy!

Watch Now:AmazonApple TV
The Leafy Sea Dragons
star
6.91
11 votes

#18 - The Leafy Sea Dragons

Season 2 - Episode 18 - Aired 5/15/2013

When two young leafy sea dragons are accidentally separated from their father and brought onboard the Octopod, the Octonauts must find them before they end up in Kwazii's stew!

Watch Now:Amazon
The Adelie Penguins
star
6.80
79 votes

#19 - The Adelie Penguins

Season 2 - Episode 2 - Aired 11/20/2012

While Kwazii and Peso have their hands full babysitting a bunch of Adelie penguin chicks, Captain Barnacles must rescue the chicks' parents from a perilous sea storm!

Watch Now:AmazonApple TV
The Great White Shark
star
6.61
46 votes

#20 - The Great White Shark

Season 2 - Episode 4 - Aired 11/22/2012

Peso must perform an emergency fin bandage on a hungry great white shark, but first they need to subdue the giant predator using a trick called 'tonic immobility'.

Watch Now:AmazonApple TV
The Mimic Octopus
star
5.64
39 votes

#21 - The Mimic Octopus

Season 2 - Episode 16 - Aired 5/13/2013

The Octonauts recruit a shape-shifting mimic octopus to help them recover an important vial of medicinal algae from a moray eel's lair.

The Swashbuckling Swordfish
star
3.10
42 votes

#22 - The Swashbuckling Swordfish

Season 2 - Episode 14 - Aired 3/14/2013

The octonauts discover a rare showing of a full moon as Kwazii discovers that its known as the Pirate Moon as Kwazii and The Octonauts search for a ship that belonged to the pirate king as Kwazii searches for the sword of the Pirate King until a trio of swordfish prevent Kwazii from getting closer to the wrecked ship. (Episode also known as "The Flying Swords" for USA screenings.)

Directors: Nicky Phelan