Series synopsis
The Traitors Ireland is a reality television series that premiered on RTÉ One on August 31, 2025. It was created by Marc Pos, Jasper Hoogendoorn. It stars Siobhán McSweeney.
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.
Premise
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.
Cast and characters
Leading cast
- Siobhán McSweeney as Self - Host
Guest cast
- Amy Meehan as Self - Contestant
- Andrew Moloney as Self - Contestant
- Ben Donohue as Self - Contestant
- Christine Duff as Self - Contestant
- David Collins as Self - Contestant
- Diane Flaherty as Self - Contestant
- Eamon O’Keeffe as Self - Contestant
- Faye Brennan as Self - Contestant
- Gemma Lalor as Self - Contestant
- Joanna Masiarek as Self - Contestant
- John Malone as Self - Contestant
- Katelyn Divilly as Self - Contestant
Episodes
This series spans 1 season with 12 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 12 | August 31, 2025 | September 23, 2025 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
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. |
August 31, 2025 |
| 2 |
Episode 2 The ultimate game of lies and detection gets personal as ripples from the Traitors' first murder sends shockwaves and suspicion throughout the castle. |
September 1, 2025 |
| 3 |
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. |
September 2, 2025 |
Production
Release
| Original network/platform | RTÉ One |
|---|---|
| First aired | August 31, 2025 |
| Last aired | September 23, 2025 |
| Status | continue |