When Ben and Maddie attend his mother’s fundraising gala, an unexpected guest shows up and offers to put an end to the overfishing that’s threatening the lives of the mermaids in Bristol Cove.
Quest roles:
Sarah-Jane Redmond(Elaine Pownall), David Cubitt(Ted Pownall), Sibongile Mlambo(Donna), Tammy Gillis(Deputy Marissa Staub), Chad Rook(Chris Mueller), David Kaye(Jerry), Graeme Duffy(Deputy Clarence), Andrew Jenkins(Doug Pownall), Anthony Harrison(Admiral Harrison), Ron Yuan(Aldon Decker), Gigi Saul Guerrero(Petty Officer Nina Lopez), Shayne Elliott(Grizzly Fisherman), Gaalen Engen(Man), Rick McLean(Sidney)