8.042 minSeason 3 • Episode 10
LatestIn an effort to save Hope, Ryn and Ben confront Tia in an undersea battle between the mermaid tribes. Maddie and Robb work to find a cure for Xander, while Helen and the hybrids help restore order. Ted struggles to accept Ben’s reality. Season finale.
The coastal town of Bristol Cove is known for its legend of once being home to mermaids. When the arrival of a mysterious girl proves this folklore all too true, the battle between man and sea takes a very vicious turn as these predatory beings return to reclaim their right to the ocean.
Practical Effects
Those transformation sequences are gloriously gross practical effects.
Acting
Eline Powell's feral physicality — she studied marine animals for months.
Costume
The wet-look aesthetic that launched a thousand Tumblr edits.
Trivia, insights & behind the scenes
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