The new season of The Traitors is set to kick off in early 2026, with both the UK and US versions returning in January.

Key dates at a glance

  • The Traitors UK (Series 4) : Launches on New Year’s Day 2026 at 8pm on BBC One, with episodes available on BBC iPlayer afterward.
  • The Traitors US (Season 4, Peacock) : Premieres Thursday, January 8, 2026 , with the first three episodes dropping that night at 9/8c on Peacock.

So if you’re searching “when does the new season of traitors start,” the safe answer right now is:

  • UK version starts 1 January 2026.
  • US/Peacock version starts 8 January 2026.

Quick Scoop: what’s trending

Fans on TV news sites and forums are treating early January as “Traitors season,” since both versions land in the first weeks of 2026. There’s a lot of hype about new cast crossovers from other reality shows, especially on the US side, which is leaning hard into familiar faces from franchises like Big Brother and other competition series.

“New year, new Traitors, same Scottish castle vibes” is basically the mood in fan threads right now, with people already planning watch parties for the New Year’s Day UK premiere and the first Peacock drop the week after.

How to keep up with latest news

  • Check BBC and BBC iPlayer pages for UK scheduling tweaks or special companion shows like the official podcast.
  • For the US version, follow Peacock’s Traitors page and major TV news outlets like TV Insider and TV Guide, which are posting updated episode-drop schedules and cast teases.

Bottom note: Information gathered from public forums or data available on the internet and portrayed here.