The best episode written by Heather Thomason is "Natural Order", rated 7.5/10 from 2 user votes. It was "directed by Joe Menendez". "Natural Order" aired on 2/7/2019 and is rated 0.5 point(s) higher than their second highest rated, "Drive".
Ryn fights to maintain leadership of the pack when the other mermaids question her loyalties. Ben interferes in a mermaid ritual causing friction between himself and Ryn, meanwhile, Helen discovers more about her family lineage.
Director: Joe Menendez
Writer: Heather Thomason
Bad boy crash enters Carter's life and causes drama in the Wilson family. David continues to sneakily pursue writing his book with his publicist.
Director: Rob Hardy
Writer: Heather Thomason
Elizabeth is confronted with the truth, and David makes a shocking request of his wife. The Wilson children try to cope with the drama together, and Carter finds out she was lied to by someone she trusts.
Director: Jamie Travis
Writer: Heather Thomason
Carter attempts to save Crash from a dire situation; David and Elizabeth weigh heavy decisions.
Director: Norman Buckley
Writer: Heather Thomason