Show cover for H2O: Mermaid Adventures

The Best Episodes of H2O: Mermaid Adventures

Every episode of H2O: Mermaid Adventures ranked from best to worst. Let's dive into the Best Episodes of H2O: Mermaid Adventures!

The lives of teenagers Emma, Cleo and Rikki are forever changed when a magical, forbidden island gives them the power to turn into mermaids.
Genres:AnimationFamilyKidsComedy
Network:KiKa
Episodes
26
Avg. Rating
7.6
S1
S2
S3
S4
E1
E2
E3
7.4
7.9
7.1
8.6
6.6
7.8

Best Episodes Summary

"Memory Lapsse" is the best rated episode of "H2O: Mermaid Adventures". It scored 8.6/10 based on 18 votes. Directed by N/A and written by N/A, it aired on 10/2/2015. This episode scored 0.3 points higher than the second highest rated, "The Mysterious Seaweed".

  • Memory Lapsse
    8.6/10(18)
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    #1 - Memory Lapsse

    Season 2 Episode 2

    Aired 10/2/2015

    No description available

    Director: N/A

    Writer: N/A

  • The Mysterious Seaweed
    8.3/10(17)
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    #2 - The Mysterious Seaweed

    Season 1 Episode 6

    Aired 6/6/2015

    Aggressive blue seaweed attacks Emma.

    Director: N/A

    Writer: N/A

  • The Lost Ring
    8.3/10(19)
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    #3 - The Lost Ring

    Season 1 Episode 13

    Aired 6/13/2015

    Rikki takes matters into her own hands by spying on her dad and his new girlfriend.

    Director: N/A

    Writer: N/A

  • Kidnapped!
    8.3/10(17)
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    #4 - Kidnapped!

    Season 2 Episode 4

    Aired 10/4/2015

    No description available

    Director: N/A

    Writer: N/A

  • A Strange Phenomenon
    8.1/10(16)
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    #5 - A Strange Phenomenon

    Season 2 Episode 5

    Aired 10/5/2015

    No description available

    Director: N/A

    Writer: N/A

  • Poseidon's Daughter
    8.0/10(17)
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    #6 - Poseidon's Daughter

    Season 1 Episode 9

    Aired 6/9/2015

    Dolphin City is the location for a new movie.

    Director: N/A

    Writer: N/A

    If you like H2O: Mermaid Adventures, check out...

    My Bride is a Mermaid

    My Bride is a Mermaid

    Tropical-Rouge! Precure

    Tropical-Rouge! Precure

    Idle Mermaid

    Idle Mermaid

    Merman in My Tub

    Merman in My Tub

    Journal of the Mysterious Creatures

    Journal of the Mysterious Creatures

    No Image
    H2O: Just Add Water

    H2O: Just Add Water

  • Three Days Underwater
    8.0/10(16)
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    #7 - Three Days Underwater

    Season 2 Episode 8

    Aired 10/8/2015

    No description available

    Director: N/A

    Writer: N/A

  • Dolphin City Mascot
    7.9/10(18)
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    #8 - Dolphin City Mascot

    Season 1 Episode 10

    Aired 6/10/2015

    Danny gets captured by the Oceanic Center for observation.

    Director: N/A

    Writer: N/A

  • Reported Missing
    7.9/10(17)
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    #9 - Reported Missing

    Season 2 Episode 1

    Aired 10/1/2015

    No description available

    Director: N/A

    Writer: N/A

  • Bad Waves
    7.8/10(17)
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    #10 - Bad Waves

    Season 1 Episode 11

    Aired 6/11/2015

    Lewis and the girls must find what's behind mysterious sound waves that are creating havoc.

    Director: N/A

    Writer: N/A

  • Valentine's Day
    7.8/10(16)
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    #11 - Valentine's Day

    Season 2 Episode 3

    Aired 10/3/2015

    No description available

    Director: N/A

    Writer: N/A

  • Imminent Danger
    7.8/10(15)
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    #12 - Imminent Danger

    Season 2 Episode 12

    Aired 10/12/2015

    No description available

    Director: N/A

    Writer: N/A

  • Trapped
    7.8/10(16)
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    #13 - Trapped

    Season 2 Episode 13

    Aired 10/13/2015

    No description available

    Director: N/A

    Writer: N/A

  • A Stormy Party
    7.6/10(17)
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    #14 - A Stormy Party

    Season 1 Episode 4

    Aired 6/4/2015

    A storm threatens to wash out a birthday party.

    Director: N/A

    Writer: N/A

  • Mako Island Hotel
    7.6/10(17)
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    #15 - Mako Island Hotel

    Season 1 Episode 5

    Aired 6/5/2015

    Zane's father plans a luxury resort on Mako Island.

    Director: N/A

    Writer: N/A

  • The Creature from the Bay
    7.5/10(16)
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    #16 - The Creature from the Bay

    Season 2 Episode 10

    Aired 10/10/2015

    No description available

    Director: N/A

    Writer: N/A

  • The Secret of Mako Island
    7.4/10(23)
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    #17 - The Secret of Mako Island

    Season 1 Episode 1

    Aired 6/1/2015

    Cleo, Emma and Rikki get stranded on Mako island and fall into a magic pool where their lives change forever.

    Director: N/A

    Writer: N/A

  • It's in the Bag!
    7.4/10(18)
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    #18 - It's in the Bag!

    Season 1 Episode 7

    Aired 6/7/2015

    Discarded plastic bags pose a threat to Teddy and his friends.

    Director: N/A

    Writer: N/A

  • Jaw-ache!
    7.2/10(17)
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    #19 - Jaw-ache!

    Season 1 Episode 12

    Aired 6/12/2015

    Berk breaks a tooth and wanders near the beach in pain, causing a panic.

    Director: N/A

    Writer: N/A

  • Caught in the Net
    7.1/10(18)
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    #20 - Caught in the Net

    Season 1 Episode 2

    Aired 6/2/2015

    Emma competes in a contest, Cleo is stuck babysitting an intern and save an injured sea turtle.

    Director: N/A

    Writer: N/A

  • Handle with Care
    7.0/10(16)
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    #21 - Handle with Care

    Season 2 Episode 6

    Aired 10/6/2015

    No description available

    Director: N/A

    Writer: N/A

  • The Return of the White Mermaid
    7.0/10(15)
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    #22 - The Return of the White Mermaid

    Season 2 Episode 7

    Aired 10/7/2015

    No description available

    Director: N/A

    Writer: N/A

  • Underwater Takeover
    7.0/10(15)
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    #23 - Underwater Takeover

    Season 2 Episode 11

    Aired 10/11/2015

    No description available

    Director: N/A

    Writer: N/A

  • Dolphin City Triangle
    6.8/10(17)
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    #24 - Dolphin City Triangle

    Season 1 Episode 8

    Aired 6/8/2015

    Atmospheric disturbances result in disastrous consequences.

    Director: N/A

    Writer: N/A

  • The White Mermaid
    6.6/10(17)
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    #25 - The White Mermaid

    Season 1 Episode 3

    Aired 6/3/2015

    The girls discover of an ancient mermaid statue and return it but treasure hunters have another idea.

    Director: N/A

    Writer: N/A