The Sinner Season 4, Episode 1 ("Part I"), originally aired on October 13, 2021. You can watch it legally through the following platforms:
Individual episodes or the full season can be purchased from several digital retailers: Apple TV Store Fandango at Home (formerly Vudu) Google Play TV Episode Summary Watch The Sinner S04E01 720p WEB h264-GOSSIP 1
: All four seasons, including the Season 4 premiere, are available for streaming with a subscription. Buy or Rent The Sinner Season 4, Episode 1 ("Part I"),