Gretel Killeen to host The Traitors for 10Third time lucky for high-profile reality format, now with a favourite new host and location in 2026. A third season of The Traitors is coming to 10 -with Gretel Killeen as host. “There is no one better to bring it to life than the OG of groundbreaking, buzz-worthy reality shows, Gretel Killeen. Previously produced by Endemol Shine Australia with Rodger Corser in the Southern Highlands, now it moves to a new production company, host and location. Our stellar line up of Faithfuls and Traitors will be revealed soon.