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The Traitors Series 4 Debuts With Viewer‑Unknown ‘Secret Traitor’ Twist

The hidden player supplies a nightly shortlist for murders, reshaping the show’s information dynamics for contestants and audiences alike.

Overview

  • The new series premiered on 1 January on BBC One and iPlayer with 22 contestants returning to Ardross Castle in the Scottish Highlands.
  • Host Claudia Winkleman selected Rachel, Stephen and Hugo as Traitors while revealing an additional Secret Traitor whose identity is concealed from both the trio and viewers.
  • Episode one’s mission banked £10,000 for the prize pot and produced a pool of 10 potential targets, which the Secret Traitor narrowed to three nominees.
  • This season’s cast features a bestselling crime writer, a retired police detective and a psychologist among a diverse lineup from across the UK.
  • Early reaction highlights both enthusiasm and skepticism about the new mechanic, and outlets differ on the top prize figure, with most citing up to £120,000 and some reporting £100,000.