The Traitors US Season 4 Filming Timeline
Filming for The Traitors Season 4 took place in June 2025 at Ardross Castle in the Scottish Highlands, wrapping up well before the show's premiere. This timeline aligns with the cast announcement on June 13, 2025, and the season's debut on January 8, 2026, giving about seven months from production to airdate.

Key Production Details

The season features a mix of reality stars like Porsha Williams, Rob Cesternino, and Natalie Anderson, plus public figures such as Donna Kelce and Lisa Rinna. A unique twist introduced a Secret Traitor (revealed as Donna in Episode 3), adding layers of deception filmed during those summer weeks. Production mirrored prior seasons' secretive, high-stakes atmosphere at the castle, with the full cast of 23 confirmed shortly after filming.

Fan Speculation and Trending Buzz

Online forums like Reddit lit up with excitement around June 2025, as users speculated on exact filming dates amid cast reveals—posts from early June questioned timelines, while later ones confirmed wraps. Fans noted the quick turnaround, especially with episodes dropping weekly from January 2026 through the February 26 finale. This buzz mirrors the show's viral appeal, blending strategy and celebrity drama.

Episode Rollout Context

  • Episode 1-3: January 8, 2026 (premiere night)
  • Episode 4-5: January 15, 2026
  • Weekly Thursdays until Finale/Reunion on February 26, 2026

"The show was filmed in June 2025, so it’s been seven months since the cast went on this wild journey."

TL;DR : Filming wrapped in June 2025, setting the stage for the ongoing Season 4 intrigue—perfect timing for its January 2026 Peacock drop. Information gathered from public forums or data available on the internet and portrayed here.