12 Episodes · Premiered August 31, 2025 · Ended September 23, 2025
24 strangers face off in Ireland's ultimate murder mystery game. Guided by Siobhán McSweeney, they'll scheme, deceive and fight for a prize of up to €50,000.
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.
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.
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.
The traitors continue to wreak havoc on the faithfuls at Slane Castle. Today's mission will test their ethics and powers of deception.
Tensions are high as suspicion is everywhere. An explosive argument leaves the players reeling, but will it have an impact on the round table?
As the game intensifies at Slane Castle, a shocking turn of events leaves the players unsure of who to believe.
At breakfast, the players speculate, but Siobhán has a shocking twist that leaves the faithful reeling.
Accusations run rife in The Traitors Ireland. The shield divides the group, and an ancient curse wreaks havoc.
Siobhán has a chilling revelation for the faithfuls at breakfast. Emotions run high as the faithfuls desperately try to find another traitor.
In the ultimate game of trust, the players must decide who they distrust the most. Presented by Siobhan McSweeney
In the penultimate episode, the remaining contestants - both faithful and traitor - lie for their lives in an attempt to get to the grand finale
Twenty four players arrived at Slane Castle, a handful remain. The final mission has another prize amount at stake
