Siren

A coastal town known for its legend of once being home to mermaids is turned upside down when a mysterious girl appears and begins wreaking havoc.

Genre: Drama, Fantasy

Cast:Alex Roe , Eline Powell , Fola Evans-Akingbola , Ian Verdun , Rena Owen , Curtis Lum , David Cubitt , Sarah-Jane Redmond , Hannah Levien , Millan Tesfazgi , Georgia Waters , Sedale Threatt Jr. , Tammy Gillis , Aylya Marzolf , Gil Birmingham , David Kaye , Brendan Fletcher , Chad Rook

1Season 1

S1.E1 ∙ The Mermaid Discovery

Thu, Mar 29, 2018

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

2Season 1

S1.E2 ∙ The Lure

Thu, Mar 29, 2018

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

3Season 1

S1.E3 ∙ Interview with a Mermaid

Thu, Apr 5, 2018

Dale and the local police's investigation points directly to Ryn; Xander and Calvin's search for Chris heats up.

4Season 1

S1.E4 ∙ On the Road

Thu, Apr 12, 2018

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

5Season 1

S1.E5 ∙ Curse of the Starving Class

Thu, Apr 19, 2018

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

6Season 1

S1.E6 ∙ Showdown

Thu, Apr 26, 2018

When Ben and Maddie attend his mother's fundraising gala, where an unexpected guest shows up and offers to put an end to the overfishing.

7Season 1

S1.E7 ∙ Dead in the Water

Thu, May 3, 2018

Ryn is taken in for questioning; Ben and Xander return to the deep sea to search for answers, only to be met by an uninvited guest.

8Season 1

S1.E8 ∙ Being Human

Thu, May 10, 2018

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

9Season 1

S1.E9 ∙ Street Fight

Thu, May 17, 2018

Donna and two members of her colony come ashore, and begin wreaking havoc throughout the town.

10Season 1

S1.E10 ∙ Aftermath

Thu, May 24, 2018

The enchanting siren song takes hold of Ben and Decker; Dale must answer for the escalating crime in Bristol Cove.

1Season 2

S2.E1 ∙ The Arrival

Thu, Jan 24, 2019

A new threat wreaks havoc as more mermaids land on the shores; Ben tries to cope with the siren song's aftereffects.

2Season 2

S2.E2 ∙ The Wolf at the Door

Thu, Jan 31, 2019

Ben, Maddie, and Ryn try to keep the new mermaid pack hidden from the town's Mermaid Beauty Contest.

3Season 2

S2.E3 ∙ Natural Order

Thu, Feb 7, 2019

Ryn fights to maintain leadership of the pack; Helen discovers more about her family lineage.

4Season 2

S2.E4 ∙ Oil & Water

Thu, Feb 14, 2019

Ryn looks for new housing for the mermaids; Ben becomes Levi's mentor; Maddie continues to struggle with her mother's presence.

5Season 2

S2.E5 ∙ Primal Instincts

Thu, Feb 21, 2019

Maddie finds herself in a dangerous situation; Ben and Xander reconcile to get the mermaids back into the water.

6Season 2

S2.E6 ∙ Distress Call

Thu, Feb 28, 2019

Dale copes with the fallout from Maddie and Ryn's encounter with the man from Susan's past; Katrina tries to get the rest of the pack to join her side.

7Season 2

S2.E7 ∙ Entrapment

Thu, Mar 7, 2019

Tensions rises following a shocking discovery; The water tank starts to have an adverse effect on the mermaids; Ryn makes a deal with a complicated ally.

8Season 2

S2.E8 ∙ Leverage

Thu, Mar 14, 2019

Mermaids and humans join forces to stop the oil company, but their efforts have a devastating effect.

9Season 2

S2.E9 ∙ No North Star

Thu, Jun 13, 2019

Everyone deals with the fallout from the oil rig attack; Ryn returns to land to follow through on an agreement she made with the military.

10Season 2

S2.E10 ∙ All In

Thu, Jun 20, 2019

Elaine's treatment from the military's medical trial comes with side effects to the mermaid cells; Helen and Rick learn more about the hybrid status.

11Season 2

S2.E11 ∙ Mixed Signals

Thu, Jun 27, 2019

Maddie and Ben contend with how to help Ryn; When Maddie gets sirened, the group strive to uncover how the siren song really works.

12Season 2

S2.E12 ∙ Serenity

Thu, Jun 27, 2019

Ben, Maddie and Ryn venture under the sea to a special place in Ryn's homeland that could help with their conditions.

13Season 2

S2.E13 ∙ The Outpost

Thu, Jul 11, 2019

Ryn must return to her colony for mermaid mating season; Ben and Helen hunt down the hybrids when they lure a mermaid to a remote location.

14Season 2

S2.E14 ∙ The Last Mermaid

Thu, Jul 18, 2019

An unsuccessful mating season leads to questioning the possibility of the mermaids procreating on land; Ryn brings a new mate for the good of the colony.

15Season 2

S2.E15 ∙ Sacrifice

Thu, Jul 25, 2019

Ben and Xander deal with a shocking discovery about Chris and his connection to the military; Helen and Maddie reluctantly seek help from the hybrids as the threat of extinction looms.

16Season 2

S2.E16 ∙ New World Order

Thu, Aug 1, 2019

Ben faces a choice that has rippling consequences amongst mermaids, hybrids and humans alike, as the truth about mermaids is exposed.

1Season 3

S3.E1 ∙ Borders

Thu, Apr 2, 2020

As an old friend visits Helen, a new mermaid arrives leaving Ryn questioning their motives; Maddie learns the truth behind Ian's death; Ben fights for his mother's treatments; Xander is inspired to take on more responsibility.

2Season 3

S3.E2 ∙ Revelations

Thu, Apr 2, 2020

When another mysterious death is uncovered in Bristol Cove, Ryn suspects Tia; Maddie befriends a new acquaintance in Seattle; Helen warns the hybrids of trouble; Xander begins training; Ted revisits the past.

3Season 3

S3.E3 ∙ Survivor

Thu, Apr 9, 2020

Ryn learns the secret existence of her unborn child; Ben sets out on a dangerous path to help his mom; Xander tries to establish himself in his new career; Helen consults with Eliza to help contact Sarge.

4Season 3

S3.E4 ∙ Life and Death

Thu, Apr 16, 2020

Ben and Maddie help Ryn guide her surrogate though a life-threatening delivery; Helen and Xander deliver a hybrid corpse to Beth at The Ranch.

5Season 3

S3.E5 ∙ Mommy and Me

Thu, Apr 23, 2020

Ryn returns to land to explore human motherhood; Maddie and Robb come across a gruesome discovery; Ben experiences mysterious side effects.

6Season 3

S3.E6 ∙ The Island

Thu, Apr 30, 2020

Ryn discovers a refuge of injured mermaids that escaped Tia's violent takeover; Ben and Xander get caught in a battle with Tia's troops; Maddie feeds Robb half-truths to secure his discretion; Ted explores his family lineage.

7Season 3

S3.E7 ∙ Northern Exposure

Thu, May 7, 2020

Ryn, Ben, and Maddie must recruit new allies in the fight against Tia; Helen seeks answers when she's haunted by Donna's spirit; Tia obtains dangerous weapons she plans to use in her fight.

8Season 3

S3.E8 ∙ 'Til Death Do Us Part

Thu, May 14, 2020

Ryn, Ben, and Maddie must protect Bristol Cove from Tia's army; Ben's injections produce unexpected results; Xander juggles best man duties at Calvin's wedding while also helping Helen.

9Season 3

S3.E9 ∙ A Voice in the Dark

Thu, May 21, 2020

Tia unleashes a deadly attack on Bristol Cove; Ryn, Ben, and Maddie race against time to find a cure for Xander's mysterious illness, while anticipating Tia's next move; Baby Hope returns to land to reconnect with Ryn.

10Season 3

S3.E10 ∙ The Toll of the Sea

Thu, May 28, 2020

In an effort to save Hope, Ryn and Ben confront Tia in an undersea battle between the mermaid tribes; Maddie and Robb work to find a cure for Xander; Helen and the hybrids help restore order.