Oct 13, 2021 · 54m
Ambrose visits the town of Clark Harbor for a getaway and finds himself at the center of a tragedy.
Season 4 Episodes
Browse every episode and jump into details.
Oct 20, 2021 · 45m
A new suspect leads the investigation into an ongoing feud between the Lams and the Muldoons.
Oct 27, 2021 · 45m
Ambrose heads to the mainland to learn more about Percy's past and uncovers dark family secrets.
Nov 3, 2021 · 46m
When the Muldoons push to close the investigation, Ambrose refuses, pushing Sonya to the brink.
Nov 10, 2021 · 47m
Ambrose discovers the source of Percy's ritualistic practices and dives deeper into her past.
Nov 17, 2021 · 45m
A shocking new crime further rattles the town of Clark Harbor; Ambrose and Meg team together.
Nov 24, 2021 · 43m
Unsure whom to trust, Ambrose hunts down his pursuers.
Dec 1, 2021 · 57m
Ambrose exposes the secret that threw Percy's life off course, setting off widespread consequences.
Season 4 FAQ
Quick answers about this season's release timeline and episode lineup.
When did The Sinner Season 4 premiere?
The Sinner Season 4 premiered on October 13, 2021.
How many episodes are in The Sinner Season 4?
The Sinner Season 4 has 8 episodes.
What is the first episode of The Sinner Season 4?
The season opens with Season 4 Episode 1, "Part I". It aired on October 13, 2021.
Go to Season 4 Episode 1