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The Sinner

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S4 E8 · Part VIII

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About The Sinner

The Sinner is a drama and crime TV series that premiered on USA Network on August 2, 2017. It has 4 seasons and 32 episodes so far and has ended. The latest episode, Season 4 Episode 8 "Part VIII", aired on December 1, 2021.

In a small New York town, a haunted detective hunts for answers about perplexing crimes while wrestling with his own demons.

  • Drama
  • Crime

Last updated

Episodes

32 episodes · 4 seasons

Season 1

2017 · 8 episodes · Last episode: 9 years ago

A young mother, overcome by an inexplicable fit of rage, commits a startling act of violence and to her horror has no idea why. An investigator finds himself obsessed with uncovering the woman's buried motive. Together they travel a harrowing journey into the depths of her psyche and the violent secrets hidden in her past.

The Sinner Season 1 release dates →
  1. The Sinner S1 E8 still E8

    8. Part VIII

    Finale

    Cora's fate is determined.

  2. The Sinner S1 E7 still E7

    7. Part VII

    Cora finally remembers the night in question.

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    6. Part VI

    When Ambrose begins to waver, Cora convinces him to take a risk for the case.

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    5. Part V

    After a body is discovered in the woods, the investigation into Cora's past deepens.

  5. The Sinner S1 E4 still E4

    4. Part IV

    With Ambrose's help, Cora struggles to recover missing memories, which lead Ambrose to a new suspect.

  6. The Sinner S1 E3 still E3

    3. Part III

    Ambrose unearths a startling secret about Cora that changes the course of the investigation; Mason takes matters into his own hands.

  7. The Sinner S1 E2 still E2

    2. Part II

    Cora tries to block Ambrose's continuing investigation, while Mason struggles to come to terms with secrets from Cora's past.

  8. The Sinner S1 E1 still E1

    1. Part I

    An unassuming housewife stabs a beachgoer to death, which sparks an investigation and creates confusion in a small town.

Season 2

2018 · 8 episodes · Last episode: 8 years ago

Detective Harry Ambrose returns to his hometown in rural New York to assess an unsettling and heart wrenching crime: parents murdered by their eleven-year-old son, with no apparent motive. As Ambrose realizes there’s nothing ordinary about the boy or where he came from, the investigation pulls him into the hidden darkness of his hometown.

The Sinner Season 2 release dates →
  1. The Sinner S2 E8 still E8

    8. Part VIII

    Finale

    Heather and Ambrose continue their search for Julian as Marin’s past is unraveled.

  2. The Sinner S2 E7 still E7

    7. Part VII

    Heather and Ambrose search for Julian.

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    6. Part VI

    Vera reveals Mosswood's past to Ambrose, leading to a turn in Julian's case.

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    5. Part V

    As Ambrose zeroes in on a new suspect, a rift develops between him and Heather.

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    4. Part IV

    Ambrose returns to Mosswood to confront Vera about the commune's work.

  6. The Sinner S2 E3 still E3

    3. Part III

    Heather makes a startling realization about Marin. Vera and Julian are dealt a hard blow.

  7. The Sinner S2 E2 still E2

    2. Part II

    Ambrose and Heather begin to unravel where Julian is from. Julian is thrust into a new world.

  8. The Sinner S2 E1 still E1

    1. Part I

    A troubled detective returns to his hometown to investigate why a young boy would kill his parents.

Season 3

2020 · 8 episodes · Last episode: 6 years ago

When Detective Harry Ambrose begins a routine investigation of a tragic car accident on the outskirts of Dorchester, in upstate New York, he uncovers a hidden crime that pulls him into the most dangerous and disturbing case of his career.

The Sinner Season 3 release dates →
  1. The Sinner S3 E8 still E8

    8. Part VIII

    Finale

    Jamie seeks vengeance, putting him on a collision course with Ambrose.

  2. The Sinner S3 E7 still E7

    7. Part VII

    After a major turn in the case, Ambrose's tactics are scrutinized.

  3. The Sinner S3 E6 still E6

    6. Part VI

    Jamie pays Sonya a surprise visit. Ambrose goes to extreme lengths to get a confession.

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    5. Part V

    Ambrose urges the NYPD to investigate Jamie for a new crime. Jamie struggles to salvage his life.

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    4. Part IV

    Ambrose pursues Jamie through New York City and tries to prevent another homicide.

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    3. Part III

    Ambrose investigates Jamie's past. Leela gives birth as Jamie's anxiety reaches a breaking point.

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    2. Part II

    Ambrose looks into Jamie and Nick's relationship before the crash. Jamie begins to unravel.

  8. The Sinner S3 E1 still E1

    1. Part I

    Detective Ambrose investigates a tragic yet suspicious car accident on the outskirts of Dorchester.

Season 4

2021 · 8 episodes · Last episode: 4 years ago

Still reeling from the trauma of a previous case a year ago, the now-retired Harry Ambrose travels to Hanover Island in northern Maine for a recuperative getaway with his partner Sonya, but when an unexpected tragedy occurs involving Percy Muldoon, the daughter of a prominent island family, Ambrose is recruited to help the investigation, only to be thrown into a mystery of mounting paranoia that will turn this sleepy tourist island, and Ambrose’s life, upside down.

The Sinner Season 4 release dates →
  1. The Sinner S4 E8 still E8

    8. Part VIII

    Finale

    Ambrose exposes the secret that threw Percy's life off course, setting off widespread consequences.

  2. The Sinner S4 E7 still E7

    7. Part VII

    Unsure whom to trust, Ambrose hunts down his pursuers.

  3. The Sinner S4 E6 still E6

    6. Part VI

    A shocking new crime further rattles the town of Clark Harbor; Ambrose and Meg team together.

  4. The Sinner S4 E5 still E5

    5. Part V

    Ambrose discovers the source of Percy's ritualistic practices and dives deeper into her past.

  5. The Sinner S4 E4 still E4

    4. Part IV

    When the Muldoons push to close the investigation, Ambrose refuses, pushing Sonya to the brink.

  6. The Sinner S4 E3 still E3

    3. Part III

    Ambrose heads to the mainland to learn more about Percy's past and uncovers dark family secrets.

  7. The Sinner S4 E2 still E2

    2. Part II

    A new suspect leads the investigation into an ongoing feud between the Lams and the Muldoons.

  8. The Sinner S4 E1 still E1

    1. Part I

    Ambrose visits the town of Clark Harbor for a getaway and finds himself at the center of a tragedy.

Cast & crew

Created by Derek Simonds

  • Orlagh Cassidy

    Orlagh Cassidy

    Elsa Belmont

  • Pamela Gray

    Pamela Gray

    Debra Randall

  • Robert Funaro

    Robert Funaro

    Ron Tannetti

  • C.J. Wilson

    C.J. Wilson

    William

  • Susan Pourfar

    Susan Pourfar

    Cora's Public Defender

  • Adam LeFevre

    Adam LeFevre

    Police Chief

  • Teri Wyble

    Teri Wyble

    Leah Belmont

  • Eric Todd

    Eric Todd

    Frankie Belmont

  • Meredith Holzman

    Meredith Holzman

    Sharon

  • Kathryn Erbe

    Kathryn Erbe

    Fay Ambrose

  • Rebecca Wisocky

    Rebecca Wisocky

    Margaret Lacey

  • Jacob Pitts

    Jacob Pitts

    J.D.

  • Christopher Innvar

    Christopher Innvar

    Frankie's Dad

  • Mia Katigbak

    Mia Katigbak

    Dr. Tammy Chang

  • Robert Cuccioli

    Bruce Herting

  • Emma Kikue

    Emma Kikue

    Amber

The Sinner FAQ

Will there be new episodes of The Sinner?

The Sinner has ended, so no new episodes are scheduled. The final episode aired on December 1, 2021.

When did the latest episode of The Sinner come out?

The most recent episode of The Sinner, Season 4 Episode 8 "Part VIII", aired on December 1, 2021.

How many seasons of The Sinner are there?

The Sinner has 4 seasons with 32 episodes in total.

When did The Sinner first air?

The Sinner first aired on USA Network on August 2, 2017.

How do I get notified when new episodes of The Sinner are released?

Download the Streambay app, follow The Sinner, and you'll get a push notification the moment each new episode is released.

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