《未解之谜 第五季》是一部由美国地区于2023年出品的悬疑类综艺。该片由凯文·布恩斯、Clinton Edmondson、Liz Elkington、W. Scott Goldie、Larry Hochberg、Brian Larson、Brian Leff、Todd L担任编剧，并亲自指导拍摄。主要演员包括威廉·夏特纳等美国著名影星。
From the producers of Ancient Aliens® and The Curse of Oak Island® alleged UFO encounters to sudden disappearances to evil possessions, host William Shatner attempts to get to the truth behind the most bizarre and mysterious events ever reported. With the help of the world's top scientists, first-hand accounts & dramatic reenactments, viewers gain insight into what's really happening and why.S5 E1 - Lost CitiesS5 E2 - Tales of the Dearly DepartedS5 E3 - Curses UnleashedS5 E4 - Earth's Unsolved MysteriesS5 E5 - The Power of ProphecyS5 E6 - Mysterious MonstersS5 E7 - Sacred RitualsS5 E8 - UFO HotspotsS5 E9 - Extraordinary StructuresS5 E10 - Holy Relics