《遇见我的小欢喜》火影忍者剧场版9(忍者之路)电影-播播电影Unsolved Mysteries is back with new episodes with more perplexing cold cases and supernatural events. Unsolved Mysteries is from the creators of the original docuseries, Cosgrove/Meurer Productions, and 21 Laps Entertainment, the producers of Stranger Things.