Siren

Season 3

April 2, 2020

10Episodes

7.7

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.

Episodes

1. Borders

5.5

April 2, 2020

42 min

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.

Guest Stars:

Gil Birmingham, Michael J Rogers, Javier Lacroix, Dayleigh Nelson, William Vaughan

Other Seasons

Season 1

10 Episodes

Season 2

16 Episodes

2. Revelations

8.5

April 2, 2020

42 min

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.

Guest Stars:

Marilyn Norry, Rob McEachern, Nevin Burkholder, Xiomara Lopez, Sarah-Jane Redmond

3. Survivor

7.0

April 9, 2020

42 min

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.

Guest Stars:

Sarah-Jane Redmond, Sibongile Mlambo, Yumi Ogawa, Donal Thoms-Cappello, Mark Ferns

4. Life and Death

7.0

April 16, 2020

42 min

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.

Guest Stars:

Daniel Cudmore, Kiomi Pyke, Kaaren de Zilva, Christopher Logan, Michel Issa Rubio

5. Mommy and Me

9.0

April 23, 2020

42 min

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.

Guest Stars:

Tammy Gillis, Jill Teed, Sedale Threatt Jr., Megan Danso, Vonnie Bennetto

6. The Island

9.0

April 30, 2020

42 min

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.

Guest Stars:

David Cubitt, Aylya Marzolf, Brendan Fletcher, Caroline Cave, Patti Kim

7. Northern Exposure

8.0

May 7, 2020

42 min

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.

Guest Stars:

Hugo Ateo, Georgia Waters, Deniz Akdeniz, Sisse Marie, Ben Sullivan

8. ‘Til Death Do Us Part

9.0

May 14, 2020

42 min

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.

Guest Stars:

David Kaye, Curtis Lum, Chad Rook, Hannah Levien, Millan Tesfazgi

9. A Voice in the Dark

6.0

May 21, 2020

42 min

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.

E10

10. The Toll of the Sea

8.0

May 28, 2020

42 min

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.