The fourth series of ''The Traitors'' was first broadcast on BBC One on 1 January 2026. Claudia Winkleman returned to present the series, which was accompanied by the spin-off show ''The Traitors: Uncloaked'', presented by Ed Gamble. The series concluded on 23 January 2026 when Rachel Duffy and Stephen Libby won, becoming the first pair of Traitors to win the British version.
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