The best episode written by Liz Maccie is "Primal Instincts", rated 8/10 from 3 user votes. It was "directed by Ellen S. Pressman". "Primal Instincts" aired on 2/21/2019 and is rated 1.2 point(s) higher than their second highest rated, "Being Human".
Ryn continues to try to teach the other mermaids to be more human in order to better assimilate, but some are starting to resist her, causing Ryn to wonder if she herself is becoming too human. Maddie finds herself in a dangerous situation trying to help her mom. Meanwhile, Ben and Xander reconcile in order to work together to get the mermaid pack back into the water.
Director: Ellen S. Pressman
Writer: Liz Maccie
Bristol Cove mourns a loss causing Ryn to experience a new human emotion.
Director: Amanda Tapping
Writer: Liz Maccie