Siren (2018)

The BEST episodes of Siren (2018)

Every episode of Siren (2018) ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Siren (2018)!

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

Last Updated: 8/1/2022Network: Freeform
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The Toll of the Sea
star
7.90
351 votes

#1 - The Toll of the Sea

Season 3 - Episode 10 - Aired 5/28/2020

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. Ted struggles to accept Ben's reality.

Directors: Joe Menendez
Watch Now:AmazoniTunes
Leverage
star
7.85
611 votes

#2 - Leverage

Season 2 - Episode 8 - Aired 3/14/2019

Mermaids and humans join forces in a radical plan to stop the oil company, but their efforts have a devastating effect. And facing an uncertain future, Ben, Maddie and Ryn come together for a romantic farewell.

Directors: Joe Menendez
Watch Now:AmazoniTunes
The Island
star
7.79
373 votes

#3 - The Island

Season 3 - Episode 6 - Aired 4/30/2020

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.

Directors: Amanda Row
Watch Now:AmazoniTunes
Distress Call
star
7.72
586 votes

#4 - Distress Call

Season 2 - Episode 6 - Aired 2/28/2019

Dale copes with the fallout from Maddie and Ryn’s encounter with the man from Susan’s past, while Katrina continues to persuade the rest of the mermaid pack to get on her side, even if that means brute force against both mermaids and humans.

Directors: David Grossman
Watch Now:AmazoniTunes
Dead in the Water
star
7.71
1133 votes

#5 - Dead in the Water

Season 1 - Episode 7 - Aired 5/3/2018

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.

Directors: Nick Copus
Watch Now:AmazoniTunes
Entrapment
star
7.71
621 votes

#6 - Entrapment

Season 2 - Episode 7 - Aired 3/7/2019

Tensions are rising following a shocking discovery. And living in a tank rather than the ocean is starting to have an adverse effect on many of the mermaids. Hoping to save her kind, and help her human circle, Ryn makes a deal with a complicated ally.

Directors: Amanda Row
Watch Now:AmazoniTunes
New World Order
star
7.71
481 votes

#7 - New World Order

Season 2 - Episode 16 - Aired 8/1/2019

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

Directors: Nick Copus
Watch Now:AmazoniTunes
A Voice in the Dark
star
7.69
348 votes

#8 - A Voice in the Dark

Season 3 - Episode 9 - Aired 5/21/2020

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.

Watch Now:AmazoniTunes
Aftermath
star
7.69
997 votes

#9 - Aftermath

Season 1 - Episode 10 - Aired 5/24/2018

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.

Directors: Nick Copus
Watch Now:AmazoniTunes
Primal Instincts
star
7.68
613 votes

#10 - Primal Instincts

Season 2 - Episode 5 - Aired 2/21/2019

Ryn continues to try to teach the other mermaids to be more human in order to better assimilate, but some are starting to resist her, causing Ryn to wonder if she herself is becoming too human. Maddie finds herself in a dangerous situation trying to help her mom. Meanwhile, Ben and Xander reconcile in order to work together to get the mermaid pack back into the water.

Watch Now:AmazoniTunes
Street Fight
star
7.68
1033 votes

#11 - Street Fight

Season 1 - Episode 9 - Aired 5/17/2018

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.

Directors: Joe Menendez
Watch Now:AmazoniTunes
Northern Exposure
star
7.67
366 votes

#12 - Northern Exposure

Season 3 - Episode 7 - Aired 5/7/2020

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. Xander struggles to make amends with Annie.

Directors: Marita Grabiak
Watch Now:AmazoniTunes
On the Road
star
7.67
1443 votes

#13 - On the Road

Season 1 - Episode 4 - Aired 4/12/2018

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

Watch Now:AmazoniTunes
Mommy and Me
star
7.65
357 votes

#14 - Mommy and Me

Season 3 - Episode 5 - Aired 4/23/2020

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

Directors: John Badham
Watch Now:AmazoniTunes
Oil and Water
star
7.65
618 votes

#15 - Oil and Water

Season 2 - Episode 4 - Aired 2/14/2019

Ryn decides they need to find another solution for housing mermaids as the pack dynamics remain precarious. Ben becomes a mentor to Levi as he tries to learn how men behave on land.

Directors: John Badham
Watch Now:AmazoniTunes
Survivor
star
7.64
378 votes

#16 - Survivor

Season 3 - Episode 3 - Aired 4/9/2020

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

Directors: Aprill Winney
Watch Now:AmazoniTunes
No North Star
star
7.62
537 votes

#17 - No North Star

Season 2 - Episode 9 - Aired 6/13/2019

Ben, Maddie and the other humans deal with the fallout from the attack on the oil rig, while the mermaids reacclimate to their ocean home. Ryn comes back to land to follow through on an agreement she made with the military, despite not knowing what their ultimate goals are.

Directors: Geoff Shotz
Watch Now:AmazoniTunes
Life and Death
star
7.62
369 votes

#18 - Life and Death

Season 3 - Episode 4 - Aired 4/16/2020

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. Xander faces danger on the high seas during a ride-along with the Bristol Cove water patrol.

Directors: Joe Menendez
Watch Now:AmazoniTunes
Revelations
star
7.61
392 votes

#19 - Revelations

Season 3 - Episode 2 - Aired 4/2/2020

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 and Ted revisits the past.

Directors: Nick Copus
Watch Now:AmazoniTunes
Natural Order
star
7.61
664 votes

#20 - Natural Order

Season 2 - Episode 3 - Aired 2/7/2019

Ryn fights to maintain leadership of the pack when her loyalties are questioned over her friendship with Ben and Maddie. Ben interferes in a mermaid ritual and Helen discovers more about her family lineage.

Directors: Joe Menendez
Watch Now:AmazoniTunes
Til Death Do Us Part
star
7.61
364 votes

#21 - Til Death Do Us Part

Season 3 - Episode 8 - Aired 5/14/2020

Ryn, Ben and Maddie must protect Bristol Cove from Tia's army. 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.

Directors: Bola Ogun
Watch Now:AmazoniTunes
Sacrifice
star
7.59
459 votes

#22 - Sacrifice

Season 2 - Episode 15 - Aired 7/25/2019

Ben and Xander are left dealing with a shocking discovery about Chris and his connection to the military. Meanwhile, Helen and Maddie reluctantly seek help from the hybrids as the threat of extinction looms over the mermaids. Ryn encounters the journalist who continues to chase his theories on mermaids to increasingly desperate ends.

Directors: Rachel Leiterman
Watch Now:AmazoniTunes
Being Human
star
7.59
1067 votes

#23 - Being Human

Season 1 - Episode 8 - Aired 5/10/2018

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

Directors: Amanda Tapping
Watch Now:AmazoniTunes
All In
star
7.58
505 votes

#24 - All In

Season 2 - Episode 10 - Aired 6/20/2019

With Elaine Pownall’s health worsening, she seeks treatment from the military’s medical trial using mermaid cells, but the procedure doesn’t come without side effects to the mermaids. Helen and Rick learn more about the hybrid status, their history in Bristol Cove, and discover they are far less alone than Helen once believed.

Directors: David Solomon
Watch Now:AmazoniTunes
Mixed Signals
star
7.57
505 votes

#25 - Mixed Signals

Season 2 - Episode 11 - Aired 6/27/2019

Maddie and Ben contend with how to help Ryn knowing that in order to help Elaine get better, they will need to continue the procedures on Ryn. When one of the group gets sirened, there is more drive than ever to get to the bottom of how the siren song really works—further piquing the interest of the military in how Ryn can be of use to them.

Watch Now:AmazoniTunes

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