Season 1

10 episodes · Mar 29, 2018 · 6.7

Season 2

16 episodes · Jan 24, 2019 · 7.3

The waters around Bristol Cove are stirring once again as an unprecedented number of mermaids surface – but their arrival isn't necessarily welcoming. Are these creatures seeking retribution, or is something far more devastating forcing them from the ocean depths? Marine biologis…

Season 3

10 episodes · Apr 2, 2020 · 7.7

The fallout from Ben's devastating choice—allowing a reporter to perish in season two—casts a long shadow over his bonds with Maddie and Ryn as the new season begins. But their personal struggles are soon eclipsed by a far greater threat: a formidable, enigmatic mermaid emerges i…