Despite some scepticism from fans of the main series, The Celebrity Traitors went down a storm both in the UK and internationally. While the edition featuring famous faces won’t be back for a while yet, fans can rest easy as series 4 of the main show has got off to a fantastic start. There are plenty of questions to be answered. What’s the significance of the family-tree style artwork in the castle’s lobby? What will Claudia wear next? Can the challenges become any more Byzantine and absurd? And the biggie: who is the Secret Traitor? We’re expecting an answer to that last one tonight. Read on to see the complete airing schedule for Season 4. BBC/Studio Lambert/Cody Burridge When do The Traitors series 4 episodes air? The Traitors returned for season 4 on New Year’s Day. It was a departure from the usual Wednesday, Thursday and Friday schedule. However, the next episodes will be released as normal. You’ll be able to stream instalments on BBC iPlayer after they air on BBC One. If you want to watch on iPlayer from abroad, we have a step-by-step guide that’ll ensure you don’t miss a moment of the excitement. The next episodes will air as follows: Episode 4 – 8pm on Wednesday 7 January 2026 Episode 5 – 8pm on Thursday 8 January 2026 Episode 6 – 8pm on Friday 9 January 2026 Episode 7 – 8pm on Wednesday 14 January 2026 Episode 8 – 8pm on Thursday 15 January 2026 Episode 9 – 8pm on Friday 16 January 2026 Episode 10 – 8pm on Wednesday 21 January 2026 Episode 11 – 8pm on Thursday 22 January 2026 Episode 12 (The Final) – 8:30pm on Friday 23 January 2026 BBC/Studio Lambert/Euan Cherry Is there a trailer for The Traitors series 4? Yes. In the first teaser trailer, celebrity winner Alan Carr is seen cackling around the castle as he writes a letter to the incoming Traitors… and informs them that Claudia has got something pretty big planned: Where to watch The Traitors UK All three previous seasons of The Traitors UK are now available to stream on BBC iPlayer . If you’re based in the US or abroad, then you can still catch the show by using our guide on how to watch The Traitors from outside the UK . Related articles When is Race Across the World coming back? The 10 most iconic moments from The Traitors UK