BBC The Traitors' host Claudia Winkleman confessed she was nervous about the second series of the show, as she really wants fans to love it. At Ardross Castle, where the show is filmed, Claudia chatted with the Mirror about the success of the show and her hopes for the new series, which started this week... Are you nervous about the second series of The Traitors? I really want the people who loved it the first time to love it for a second, and we feel very responsible.