Last episode
The Toll of the Sea
s03e10 · 2020-05-29
Ended · US
Siren
Freeform Scripted
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 totals03e01 Borders 2020-04-03 01:00
Borders
As an old friend visits Helen, a new mermaid arrives leaving Ryn questioning their motives. Maddie learns the truth behind Ian's death, as Ben fights for his mother's treatments. While Xander is inspired to take on more responsibility.
s03e02 Revelations 2020-04-03 02:00
Revelations
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 and Ted revisits the past.
s03e03 Survivor 2020-04-10 02:00
Survivor
Ryn seeks help only to learn the secret existence of her unborn child. Ben sets out on a dangerous path to help his mom, while Xander tries to establish himself in his new career. Helen consults with Eliza to help contact Sarge.
s03e04 Life and Death 2020-04-17 02:00
Life and Death
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. Xander faces danger on the high seas during a ride-along with the Bristol Cove water patrol.
s03e05 Mommy and Me 2020-04-24 02:00
Mommy and Me
Ryn returns to land to explore human motherhood. Maddie and Robb come across a gruesome discovery. Ben experiences mysterious side effects and Ted confronts Helen.
s03e06 The Island 2020-05-01 02:00
The Island
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.
s03e07 Northern Exposure 2020-05-08 02:00
Northern Exposure
Ryn, Ben, 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. Xander struggles to make amends with Annie.
s03e08 'Til Death Do Us Part 2020-05-15 02:00
'Til Death Do Us Part
Ryn, Ben and Maddie must protect Bristol Cove from Tia's army. Meanwhile, Ben's injections are producing unexpected results, which alarms both him and the others. Xander juggles best man duties at Calvin's wedding while also helping Helen.
s03e09 A Voice in the Dark 2020-05-22 02:00
A Voice in the Dark
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.
s03e10 The Toll of the Sea 2020-05-29 02:00
The Toll of the Sea
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, while Helen and the hybrids help restore order. Ted struggles to accept Ben's reality.