H2O: Mermaid Adventures
Season 1, Episode 13: The Lost Ring
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Rikki takes matters into her own hands by spying on her dad and his new girlfriend.
All Episodes - Season 1
Episode 1
The Secret of Mako Island
Episode 2
Caught in the Net
Episode 3
The White Mermaid
Episode 4
A Stormy Party
Episode 5
Mako Island Hotel
Episode 6
The Mysterious Seaweed
Episode 7
It's in the Bag!
Episode 8
Dolphin City Triangle
Episode 9
Poseidon's Daughter
Episode 10
Dolphin City Mascot
Episode 11
Bad Waves
Episode 12
Jaw-ache!
Episode 13
The Lost Ring