What Ever Happened to Mary Day? | Full Episode Seen Them? November 6, 2026 Leave a Comment on What Ever Happened to Mary Day? | Full Episode Posted in Seen Them Share: XFacebookPinterestLinkedin A 13-year-old girl vanishes in 1981. Detectives believe she was murdered. Years later, a woman appears and claims to be the … source Author: Seen Them?