Last episode
Episode 12
s02e12 · 2026-09-22 · 20:35
Running · IE
The Traitors Ireland
RTÉ ONE Game Show
What it is
In a castle, 22 strangers compete in a game of deception. Traitors secretly eliminate players nightly while Faithfuls try to identify them. All compete in missions for €50,000, but surviving Traitors steal everything if undetected.
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Episode guide
12 this season · 24 totals01e01 Episode 1 2025-08-31 20:30
Episode 1
Siobhán McSweeney greets a group of strangers in Slane Castle to play the ultimate murder mystery game. The players make a decision that ripples through the castle, Siobhán assigns the traitors and the lies begin.
s01e02 Episode 2 2025-09-01 20:35
Episode 2
The ultimate game of lies and detection gets personal as ripples from the Traitor's first murder sends shockwaves and suspicion throughout the castle. The faithful strike back at the roundtable and the chase is on.
s01e03 Episode 3 2025-09-02 20:35
Episode 3
With the castle reeling from another murder, a shocking turn of events brings with it a tsunami of unrest and desperation. The power of the shield comes into play.
s01e04 Episode 4 2025-09-07 20:30
Episode 4
The traitors continue to wreak havoc on the faithfuls at Slane Castle. Today's mission will test their ethics and powers of deception.
s01e05 Episode 5 2025-09-08 20:35
Episode 5
Tensions are high as suspicion is everywhere. An explosive argument leaves the players reeling, but will it have an impact on the round table?
s01e06 Episode 6 2025-09-09 20:35
Episode 6
As the game intensifies at Slane Castle, a shocking turn of events leaves the players unsure of who to believe.
s01e07 Episode 7 2025-09-14 20:30
Episode 7
At breakfast, the players speculate, but Siobhán has a shocking twist that leaves the faithful reeling.
s01e08 Episode 8 2025-09-15 20:35
Episode 8
Accusations run rife in The Traitors Ireland. The shield divides the group, and an ancient curse wreaks havoc.
s01e09 Episode 9 2025-09-16 20:35
Episode 9
Siobhán has a chilling revelation for the faithfuls at breakfast. Emotions run high as the faithfuls desperately try to find another traitor.
s01e10 Episode 10 2025-09-21 20:30
Episode 10
In the ultimate game of trust, the players must decide who they distrust the most. Presented by Siobhan McSweeney
s01e11 Episode 11 2025-09-22 20:35
Episode 11
In the penultimate episode, the remaining contestants - both faithful and traitor - lie for their lives in an attempt to get to the grand finale
s01e12 Episode 12 2025-09-23 20:35
Episode 12
Twenty four players arrived at Slane Castle, a handful remain. The final mission has another prize amount at stake