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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.
First Air Date : Mar 29, 2018
Last Air date : May 28, 2020
Episode : 36 Episode
Season : 3 Season
Runtime: 42:14 minutes
Studio: Freeform
Country: United States of America