Ben’s shocking decision to let the reporter die at the end of season two has ripple effects in his relationship with Maddie and Ryn. Meanwhile, a dangerous, sophisticated new mermaid arrives in Bristol Cove, challenging Ryn’s leadership and igniting an epic undersea battle between rival tribes. All of this is complicated by the fact that Ryn’s baby, now being carried by a surrogate, must be protected at all costs.
Cast
Eline Powell
Ryn
Alex Roe
Ben Pownall
Fola Evans-Akingbola
Maddie Bishop
Ian Verdun
Xander McClure
Rena Owen
Helen Hubbell
Gil Birmingham
Sheriff Dale Bishop
Michael J Rogers
Commander David Kyle
Javier Lacroix
Bald Guy
Dayleigh Nelson
Ex-Jock
William Vaughan
Pilot
Nitin Prasad
Co-Pilot
Nisreen Slim
Judy
Jamall Johnson
Guard
Marilyn Norry
Roberta
Rob McEachern
Lance
Nevin Burkholder
Drunk Tourist
Xiomara Lopez
Another Drunk Tourist
Sarah-Jane Redmond
Elaine Pownall
Sibongile Mlambo
Donna
Yumi Ogawa
Ava (Physiotherapist)
Dion Riley
Librarian
Donal Thoms-Cappello
Officer Brigg
Mark Ferns
Suspect
Carolyn Anderson
Leader
Daniel Cudmore
Bryan
Kiomi Pyke
Meredith
Kaaren de Zilva
Leena
Christopher Logan
Deputy Dennis
Michel Issa Rubio
Bartender
Tammy Gillis
Deputy Marissa Staub
Jill Teed
Widow McClure
Sedale Threatt Jr.
Levi
Megan Danso
Annie Brennan
Vonnie Bennetto
Customer
Ary Katz
Mate
Jodi Pongratz
Waitress
Nicole Anthony
Instructor
Madeleine Kelders
Training Officer
Celia Aloma
Mom #1
Niamh Taylor
Mom #2
Gili Roskies
Mom #3
Kapila Rego
Mom #4
Amy Goodmurphy
Kate
David Cubitt
Ted Pownall
Aylya Marzolf
Katrina
Brendan Fletcher
Rick Marzdan
Caroline Cave
Beth Marzdan
Patti Kim
Clerk
Ambika Vas
Waitress
Seigfred Perolino
Barista
Stephanie Aigbe
Young Woman #2
Samantha Rose
Mother
Carl Montoya
Male Hybrid
Hyuma Frankowski
Purple-Eyed Soldier Merman #A
Hugo Ateo
Sarge
Georgia Waters
Eliza
Sisse Marie
Yura (Female)
Ben Sullivan
Yura (Male)
Mark Acheson
Smokey
Richard Ian Cox
Jeremy
Arvind Johal
Fisherman #1
Byron Bertram
Fisherman #2
David Kaye
Jerry
Curtis Lum
Calvin Lee
Chad Rook
Chris Mueller
Hannah Levien
Janine
Millan Tesfazgi
Cami
Tiffany Lonsdale
Tia
Katie Keough
Hunter
Maria Meadows
Weakest Blue-Eyed Mermaid
Deniz Akdeniz
Robb Wellens (voice)
Jennifer Oleksiuk
Lieutenant Maeda
Alex Bogomolov
Boris
Dalias Blake
Commander Anderson
Olesia Shewchuk
Anna
Michael Sech
Dimitri
John Jarratt
Naval Guard
Meghan Drew
Holly
Jacqueline Breakwell
Libby
Lana Jalissa
Young Woman #1
Denis Kuznetsov
Russian News Anchor
Alla Rouba
Server
Kay Metchie
Waitress
Episodes
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.
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.
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.
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.
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.
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.
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.
‘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.
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.
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. Season finale.
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Character Development
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