Last episode
The Toll of the Sea
s03e10 · 2020-05-29 · 02:00
What it is
Siren takes us inside Bristol Cove – a coastal town known for its legend of once being home to mermaids. When the arrival of a mysterious girl proves this folklore all too true, the battle between man and sea takes a very vicious turn as these predatory beings return to reclaim their right to the ocean.
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Episode guide
10 this season · 36 totals01e01 Pilot 2018-03-30 00:00
Pilot
In this epic tale, the coastal town of Bristol Cove is turned upside down when a mysterious girl appears and begins wreaking havoc on the small fishing town. Using their resources, marine biologists Ben and Maddie must work together to find out who and what drove this primal hunter of the deep sea to land, and are there more like her out there?
s01e02 The Lure 2018-03-30 01:00
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.
s01e03 Interview with a Mermaid 2018-04-06 00:00
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.
s01e04 On the Road 2018-04-13 00:00
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.
s01e05 Curse of the Starving Class 2018-04-20 00:00
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.
s01e06 Showdown 2018-04-27 00:00
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.
s01e07 Dead in the Water 2018-05-04 00:00
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.
s01e08 Being Human 2018-05-11 00:00
Being Human
Bristol Cove mourns a loss causing Ryn to experience a new human emotion.
s01e09 Street Fight 2018-05-18 00:00
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.
s01e10 Aftermath 2018-05-25 00:00
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.