Siren Season 3 Episode 10
The Toll of the Sea
Episode Description: The Toll of the Sea
Siren Season 3 Episode 10 Watch Online - 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.
