Series 4

E1. Episode 1

Jan 1, 2026 · 63m

Claudia Winkleman invites a brand new group of people to the Scottish Highlands to play the ultimate game of detection, backstabbing and trust.

E2. Episode 2

Jan 2, 2026 · 63m

As the players face a new day, the big question is - who survived the night and will make it to breakfast? It isn’t long before they attempt to increase the prize-pot in the mission.

E3. Episode 3

Jan 3, 2026 · 68m

As the sun rises over the castle, the players head to breakfast, but will the Traitors’ latest move give the Faithful any clues to their identity?

E4. Episode 4

Jan 7, 2026 · 62m

New day, new drama as the players arrive to a breakfast that poses more questions than provides answers. Can new leads present an opportunity to oust a Traitor, or have the Faithful been hoodwinked?

E5. Episode 5

Jan 8, 2026 · 64m

Following a sleepless night, the players arrive at breakfast, eager to share their thoughts on the Traitors’ gameplay. With a mission focused on protection from murder, true intentions are laid bare.

E6. Episode 6

Jan 9, 2026 · 64m

As the game reaches the half-way point, are the players inching closer to uncovering the Traitors? The mission encourages everyone to reflect on their time in the castle.

E7. Episode 7

Jan 14, 2026 · 64m

As the Traitors continue navigating their way through the game, they plot their next move in the dead of night. Breakfast dials up the pressure and brings fresh allegations to the table.

E8. Episode 8

Jan 15, 2026 · 59m

Breakfast delivers a wake-up call for the Faithful, with the Traitors making their next dastardly move. The mission proves to be a living nightmare for the players, but can they hold their nerve?

E9. Episode 9

Jan 16, 2026 · 61m

The Traitors’ latest gameplay makes the Faithful more determined than ever to uncover their identity. The mission puts the Traitors under intense pressure, which continues to build at the Round Table.

E10. Episode 10

Jan 21, 2026 · 62m

As the players enter the game’s final quarter, breakfast reveals a move no-one saw coming. But does it give any clues to the Traitors identity?

E11. Episode 11

Jan 22, 2026 · 59m

With the end of the game in sight, the penultimate day in the castle commences. The mission offers a unique opportunity to the Faithful, but will they buckle under the pressure?

E12. The Final

Jan 23, 2026 · 75m

As the finalists head to breakfast, the players look back on how they reached this point. The question – Who do you think is a Traitor? – has never been more pressing,