“The Traitors” is currently airing its new 2026 seasons in both the UK and US, but on different days and platforms depending on where you are.

The Traitors UK

  • The 2026 UK series (often called Series 4) began on 1 January 2026.
  • It launched with three episodes in a row, Thursday to Saturday, starting 1 January at 8:00 p.m. GMT.
  • After that launch block, it returns to its usual pattern of airing three nights a week, Wednesday to Friday, at 8:00 p.m. on BBC One , with episodes then available on BBC iPlayer.

The Traitors US (Peacock)

  • The US Season 4 premieres on Thursday, January 8, 2026 on Peacock.
  • The first three episodes drop together on January 8 at 9/8c , then new episodes arrive weekly on Thursdays through to the finale and reunion on February 26, 2026.
  • In total there are 12 episodes (11 regular episodes plus a reunion special).

Quick check: which one applies to you?

  • If you watch on BBC/terrestrial TV in the UK → it’s on BBC One, 8 p.m., multiple nights a week (currently Wed–Fri) during the run.
  • If you watch on Peacock in the US → it’s on Thursdays , with three episodes already dropping on Jan 8, 2026 , then weekly Thursday drops until late February.

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