The WORST episodes of Siren (2018)

Every episode of Siren (2018) ever, ranked from worst to best by thousands of votes from fans of the show. The worst 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: 12/11/2024Network: FreeformStatus: Ended
Borders
star
7.39
451 votes

#1 - Borders

Season 3 - Episode 1 - Aired 4/2/2020

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.

Directors: Joe Menendez
Writer: Eric Wald
Watch Now:AmazonApple TV
Pilot
star
7.42
1686 votes

#2 - Pilot

Season 1 - Episode 1 - Aired 3/29/2018

In the series premiere, a mysterious girl arrives in a small coastal town, leading to the return of vicious mermaids who are seeking to reclaim their rule over the ocean.

Directors: Scott Stewart
Watch Now:AmazonApple TV
The Last Mermaid
star
7.44
481 votes

#3 - The Last Mermaid

Season 2 - Episode 14 - Aired 7/18/2019

Mating season turned out to be less successful than everyone had hoped, leading them to question the possibility of the mermaids procreating on land. Ryn brings a new mate ashore for the good of the colony, but it raises emotional questions for Ben and Maddie.

Directors: Barbara Brown
Watch Now:AmazonApple TV
The Lure
star
7.44
1447 votes

#4 - The Lure

Season 1 - Episode 2 - Aired 3/29/2018

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.

Directors: Nick Copus
Writer: Eric Wald
Watch Now:AmazonApple TV
Curse of the Starving Class
star
7.45
1311 votes

#5 - Curse of the Starving Class

Season 1 - Episode 5 - Aired 4/19/2018

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.

Directors: John Badham
Watch Now:AmazonApple TV
The Wolf at the Door
star
7.50
735 votes

#6 - The Wolf at the Door

Season 2 - Episode 2 - Aired 1/31/2019

Ben, Maddie and Ryn desperately try and keep the newly arrived mermaid pack hidden from the rest of the town, but the new mermaids’ quick degradation on land forces them to get them back to the sea unnoticed during the town’s Mermaid Beauty Contest. Elaine grows more suspicious of Helen and her connections to their family.

Directors: Amanda Row
Writer: Eric Wald
Watch Now:AmazonApple TV
Serenity
star
7.52
493 votes

#7 - Serenity

Season 2 - Episode 12 - Aired 6/27/2019

Ryn goes back to the ocean to get help for Ben and Maddie’s conditions but discovers that continuing to go back may get harder than she realized the longer she’s on land. But when they learn that there may be a special place in Ryn’s homeland that could help them, Ben, Maddie and Ryn must all venture under the sea together to find the cure. Meanwhile, Helen and Ted connect over their shared family histories.

Watch Now:AmazonApple TV
Showdown
star
7.52
1155 votes

#8 - Showdown

Season 1 - Episode 6 - Aired 4/26/2018

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.

Directors: Martha Coolidge
Writer: Holly Brix
Watch Now:AmazonApple TV
The Arrival
star
7.53
803 votes

#9 - The Arrival

Season 2 - Episode 1 - Aired 1/24/2019

With more mermaids landing at Bristol Cove’s shores, the threat of discovery increases. After his encounter with the siren song, Ben tries to cope with the after effects. Maddie’s mom returns to town and tries to connect with her daughter. Meanwhile, Ryn attempts to adapt to life on land.

Directors: Matt Hastings
Watch Now:AmazonApple TV
The Outpost
star
7.53
493 votes

#10 - The Outpost

Season 2 - Episode 13 - Aired 7/11/2019

Mermaid mating season has begun, with Ryn knowing she will need to go back to the sea to help her colony. The hybrids convince one of the mermaids to come with them to a remote location, leading Helen and Ben on a hunt to find them. A journalist turns to Xander for help putting the pieces together of the night of the oil rig disaster, but Xander is torn on where his loyalties lie and what helping him could mean for his future.

Directors: Amanda Tapping
Writer: Cole Fowler
Watch Now:AmazonApple TV
Interview with a Mermaid
star
7.54
1512 votes

#11 - Interview with a Mermaid

Season 1 - Episode 3 - Aired 4/5/2018

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.

Directors: Jay Karas
Watch Now:AmazonApple TV
Mixed Signals
star
7.57
527 votes

#12 - 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:AmazonApple TV
Sacrifice
star
7.57
477 votes

#13 - 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
Writer: Liz Maccie
Watch Now:AmazonApple TV
Being Human
star
7.57
1034 votes

#14 - 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
Writer: Liz Maccie
Watch Now:AmazonApple TV
Til Death Do Us Part
star
7.58
385 votes

#15 - 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:AmazonApple TV
Life and Death
star
7.58
393 votes

#16 - 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:AmazonApple TV
All In
star
7.58
521 votes

#17 - 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:AmazonApple TV
Revelations
star
7.60
415 votes

#18 - 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:AmazonApple TV
Survivor
star
7.60
402 votes

#19 - 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
Writer: Sarah Wise
Watch Now:AmazonApple TV
Mommy and Me
star
7.60
381 votes

#20 - 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
Writer: Liz Maccie
Watch Now:AmazonApple TV
Natural Order
star
7.61
675 votes

#21 - 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:AmazonApple TV
No North Star
star
7.62
554 votes

#22 - 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.

Writer: Sarah Wise
Watch Now:AmazonApple TV
Oil and Water
star
7.64
629 votes

#23 - 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:AmazonApple TV
A Voice in the Dark
star
7.64
372 votes

#24 - 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.

Writer: Zoë Green
Watch Now:AmazonApple TV
Northern Exposure
star
7.65
389 votes

#25 - 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:AmazonApple TV