Siren (2018)
The Toll of the Sea
TV-14
S3 • E10 May 28, 2020 42m8.0
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.
