Siren

• 
  E1

  Pilot

  The coastal town of Bristol Cove, once known for being home to mermaids, is turned upside down with the arrival of a mysterious girl.

  2018-03-29 · 42m
• 
  E2

  The Lure

  Ben and crew of The North Star uncover a device emitting a strange sound. Meanwhile, Ryn finds shelter in the home of the local folklore expert.

  2018-03-29 · 42m
• 
  E3

  Interview with a Mermaid

  Dale and the local police’s investigation starts pointing directly to Ryn, meanwhile Xander and Calvin’s search for Chris heats up when they locate the nurse who works at the military bunker.

  2018-04-05 · 42m
• 
  E4

  On the Road

  When the military facility goes on high alert, Chris manages to escape, but he’s not the only one who gets out.

  2018-04-12 · 42m
• 
  E5

  Curse of the Starving Class

  Ben begins to investigate some suspicious overfishing, meanwhile Decker ramps up his efforts to find his escaped mermaid and shows the true extent of his influence.

  2018-04-19 · 42m
• 
  E6

  Showdown

  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.

  2018-04-26 · 42m
• 
  E7

  Dead in the Water

  When Ryn is taken in for questioning, Maddie rushes to her rescue. Meanwhile, Ben and Xander return to the deep sea to search for answers, only to be met by an uninvited guest.

  2018-05-03 · 42m
• 
  E8

  Being Human

  Bristol Cove mourns a loss causing Ryn to experience a new human emotion.

  2018-05-10 · 42m
• 
  E9

  Street Fight

  Donna comes ashore with two other members of her colony to bring Ryn back home. When mermaids once again begin wreaking havoc throughout the town, Dale tries to put an end to it once and for all.

  2018-05-17 · 42m
• 
  E10

  Aftermath

  In the season finale, the enchanting siren song takes hold of Ben and Decker. Meanwhile, Dale must answer for the escalating crime in Bristol Cove.

  2018-05-24 · 42m

Top cast

Eline Powell

Ryn

Alex Roe

Ben Pownall

Fola Evans-Akingbola

Maddie Bishop

Ian Verdun

Xander McClure

Rena Owen

Helen Hubbell