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The Sinner Season 4 Episodes

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The Sinner follows a young mother who, when overcome by an inexplicable fit of rage, commits a startling act of violence and to her horror has no idea why. The event launches an inverted and utterly surprising crime thriller whose driving force is not the "who" or the "what" -- but the "why" -- as 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.

Season 4 Episode Guide

Season 4

8 Episodes 2021 - 2021

Episode 1

Part I

Wed, Oct 13, 202154 mins

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

Where to Watch
The Sinner, Season 4 Episode 1 image

Episode 2

Part II

Wed, Oct 20, 202146 mins

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

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The Sinner, Season 4 Episode 2 image

Episode 3

Part III

Wed, Oct 27, 202145 mins

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

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The Sinner, Season 4 Episode 3 image

Episode 4

Part IV

Wed, Nov 3, 202146 mins

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

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The Sinner, Season 4 Episode 4 image

Episode 5

Part V

Wed, Nov 10, 202147 mins

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

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The Sinner, Season 4 Episode 5 image

Episode 6

Part VI

Wed, Nov 17, 202145 mins

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

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The Sinner, Season 4 Episode 6 image

Episode 7

Part VII

Wed, Nov 24, 202143 mins

Unsure whom to trust, Ambrose hunts down his pursuers.

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The Sinner, Season 4 Episode 7 image

Episode 8

Part VIII

Wed, Dec 1, 202155 mins

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

Where to Watch
The Sinner, Season 4 Episode 8 image