Fair rating?The Toll of the Sea
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.
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#5In Season 3of 10 rated episodes
#5All-timeof 36 rated episodes
+0.3vs season avgSeason 3 averages 7.7
2020First airedMay 28, 2020
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