The BEST episodes of H2O: Mermaid Adventures season 1

Every episode of H2O: Mermaid Adventures season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of H2O: Mermaid Adventures season 1!

“H2O – Mermaid Adventures” is a combination of comedy, friendship and adventures, both on land in Dolphin City and in a marvelous and magical undersea world. The brand-new animated series is taking the original concept of the world-hit live-action series to a whole new level. While exploring the mysterious Island of Mako, three quite ordinary teenage girls fall under a spell that changes their lives. From now on, whenever water splashes any one of them, they are transformed into mermaids! Endless situations and missions draw the three friends into the incredible underwater world where they make new friends: Bernie the hermit crab, Zita the inquisitive eel, Teddy the kid turtle, Sue the mystical manta ray and Carlotta the diva-jellyfish – and have endless fun and wonderful, enchanting adventures under the sea.

Last Updated: 9/30/2024Network: NetflixStatus: Ended
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Caught in the Net
star
8.25
4 votes

#1 - Caught in the Net

Season 1 - Episode 2 - Aired 5/22/2015

Emma enters a sand-castle competition. Meanwhile, Cleo looks after a challenging intern and rescues an injured sea turtle.

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Jaws-ache!
star
8.25
4 votes

#2 - Jaws-ache!

Season 1 - Episode 12 - Aired 5/22/2015

A shark with a toothache seeks some relief onshore, but its presence could dampen Dolphin City's tourism season.

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The Secret of Mako Island
star
7.57
7 votes

#3 - The Secret of Mako Island

Season 1 - Episode 1 - Aired 5/22/2015

Three teen girls are stranded on Mako Island, where a pool of water transforms them into mermaids in the series premiere of this animated version of "H2O: Just Add Water."

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A Stormy Party
star
7.50
4 votes

#4 - A Stormy Party

Season 1 - Episode 4 - Aired 5/22/2015

A storm puts a birthday bash at a yacht basin in jeopardy, so the gals try to save the party and the birthday boy.

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The Lost Ring
star
7.33
3 votes

#5 - The Lost Ring

Season 1 - Episode 13 - Aired 5/22/2015

Rikki takes action after she spies on her dad and grows concerned about his relationship with his new girlfriend.

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Bad Waves
star
7.25
4 votes

#6 - Bad Waves

Season 1 - Episode 11 - Aired 5/22/2015

Lewis and the gals investigate some puzzling sound waves disturbing the whales, dolphins and mermaids.

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Dolphin City Mascot
star
7.09
33 votes

#7 - Dolphin City Mascot

Season 1 - Episode 10 - Aired 5/22/2015

Danny the octopus is snatched by an observation center, putting the upcoming volleyball tournament in jeopardy.

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Dolphin City Triangle
star
7.00
32 votes

#8 - Dolphin City Triangle

Season 1 - Episode 8 - Aired 5/22/2015

An atmospheric disturbance leads to big trouble in Dolphin City and earns it the name "the new Bermuda Triangle."

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The White Mermaid
star
6.83
6 votes

#9 - The White Mermaid

Season 1 - Episode 3 - Aired 5/22/2015

The girls find an old mermaid statue and intend to return it to an undersea wreck, but some treasure hunters may foil their plans.

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Poseidon's Daughter
star
6.80
5 votes

#10 - Poseidon's Daughter

Season 1 - Episode 9 - Aired 5/22/2015

Celebrities and a Hollywood production crew arrive in Dolphin City to shoot a movie, and trouble comes along as well.

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The Mysterious Seaweed
star
6.75
4 votes

#11 - The Mysterious Seaweed

Season 1 - Episode 6 - Aired 5/22/2015

Emma is assaulted by some blue seaweed, which takes away her mermaid powers.

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It's in the Bag!
star
6.67
3 votes

#12 - It's in the Bag!

Season 1 - Episode 7 - Aired 5/22/2015

Lewis and the girls go to great lengths to stop the harm that discarded plastic bags are posing to the sea turtles.

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Mako Island Hotel
star
6.50
4 votes

#13 - Mako Island Hotel

Season 1 - Episode 5 - Aired 5/22/2015

The girls try to halt the building of a luxury resort on Mako Island.

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