Emily, Selena and Jackie - known to their 50 thousand YouTube fans as The 3 Tails - finally bring their journey to the big screen. Their mermaid adventures have enchanted fans for more than five years, as the girls struggle … Natasha Garretón, Sofia Garretón, Marlena Lerner, Maggie Wheeler, Alizabeth Hamer, Alexis Beckley, Meredith Scott Lynn Added on Amazon Prime 2022-07-12. Youtube Trailer