Aug 31, 2025 · 50m
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.


22 strangers are pitted against each other in a remote castle, where they must play a game an imaginative game of strategy. The twist? Some players, known as the Traitors, are secretly tasked with eliminating their competitors each night without being detected.
Browse every episode and jump into details.
Aug 31, 2025 · 50m
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.
Sep 1, 2025 · 50m
The ultimate game of lies and detection gets personal as ripples from the Traitors' first murder sends shockwaves and suspicion throughout the castle.
Sep 2, 2025 · 50m
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.
Sep 7, 2025 · 50m
The traitors continue to wreak havoc on the faithfuls at Slane Castle. Today's mission will test their ethics and powers of deception.
Sep 8, 2025 · 50m
Tensions are high as suspicion is everywhere. An explosive argument leaves the players reeling, and threatens to have an impact on the round table.
Sep 9, 2025 · 50m
As the game intensifies at Slane Castle, a shocking turn of events leaves the players unsure of who to believe.
Sep 14, 2025 · 50m
At breakfast, the players speculate, but Siobhán has a shocking twist that leaves the faithful reeling
Sep 15, 2025 · 50m
Accusations run rife, the shield divides the group, and an ancient curse wreaks havoc
Sep 16, 2025 · 50m
Siobhán has a chilling revelation for the faithfuls at breakfast. Emotions run high as the faithfuls desperately try to find another traitor
Sep 21, 2025 · 50m
In the ultimate game of trust, the players must decide who they distrust the most. But will that person be punished or rewarded? Can the faithfuls turn it around at the round table?
Sep 22, 2025 · 50m
In the penultimate episode, the remaining contestants - both faithful and traitor - lie for their lives in an attempt to get the grand finale
Sep 23, 2025 · 50m
Twenty four players arrived at Slane Castle, a handful remain. The final mission has another prize amount at stake
Quick answers about this season's release timeline and episode lineup.
The Traitors Ireland Season 1 premiered on August 31, 2025.
The Traitors Ireland Season 1 has 12 episodes.
The season opens with Season 1 Episode 1, "Episode 1". It aired on August 31, 2025.
Go to Season 1 Episode 1