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The Best Episodes of Siren Season 3

Every episode of Siren Season 3 ranked from best to worst. Discover the Best Episodes of Siren Season 3!

Binge this in 7h 0m•Peaking at 8.5/10

The coastal town of Bristol Cove is 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

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Episode Rankings

  1. #1 Fan Favorite
    Siren Season 3 Episode 10 - The Toll of the Sea
    8.5/10(342 votes)

    S3:E10

    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.

    Director:Unknown
    Writer:Unknown

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  2. Siren Season 3 Episode 9 - A Voice in the Dark
    8.3/10(256 votes)

    S3:E9

    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.

    Director:Unknown
    Writer:Unknown

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  3. Siren Season 3 Episode 6 - The Island
    8.2/10(248 votes)

    S3:E6

    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.

    Director:Unknown
    Writer:Unknown

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  4. Siren Season 3 Episode 7 - Northern Exposure
    8.2/10(250 votes)

    S3:E7

    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.

    Director:Unknown
    Writer:Unknown

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  5. Siren Season 3 Episode 2 - Revelations
    8.0/10(268 votes)

    S3:E2

    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.

    Director:Unknown
    Writer:Unknown

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  6. Siren Season 3 Episode 3 - Survivor
    8.0/10(245 votes)

    S3:E3

    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.

    Director:Unknown
    Writer:Unknown

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  7. Siren Season 3 Episode 4 - Life and Death
    8.0/10(249 votes)

    S3:E4

    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.

    Director:Unknown
    Writer:Unknown

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  8. Siren Season 3 Episode 5 - Mommy and Me
    7.9/10(247 votes)

    S3:E5

    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.

    Director:Unknown
    Writer:Unknown

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  9. Siren Season 3 Episode 8 - ‘Til Death Do Us Part
    7.9/10(235 votes)

    S3:E8

    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.

    Director:Unknown
    Writer:Unknown

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  10. Siren Season 3 Episode 1 - Borders
    7.8/10(305 votes)

    S3:E1

    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.

    Director:Unknown
    Writer:Unknown

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Season 3 Ratings Summary

"The Toll of the Sea" is the best rated episode of "Siren" season 3. It scored 8.5/10 based on 342 votes. Directed by Unknown and written by Unknown, it aired on 5/28/2020. This episode is rated 0.2 points higher than the second-best, "A Voice in the Dark".