Siren Season 1

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Siren Season 2

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Siren Season 3

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The Toll of the Sea

Details of Season 3 Episode 10
In 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.