第 5 季 共 8 集
播出时间：2019年7月15日
第 1 集 Mysteries in the Alien Desert
播出时间：2019年7月15日
The Nazca Lines are mysterious, alien-looking symbols carved into a remote desert more than a thousand years ago, and new discoveries might finally reveal what these strange images mean and if they explain the disappearance of the people who made them.
第 2 集 Empire State Building: The New Secrets
播出时间：2019年7月22日
The Empire State Building is one of the wonders of the modern world, and cutting-edge tech helps experts explore it like never before, revealing the secrets of its construction and the mysteries hidden deep in its foundation.
第 3 集 Nero's Lost Palace
播出时间：2019年7月29日
New discoveries reveal the scandals and secrets of Nero and his lost palace, and using cutting-edge technology, experts might confirm if the infamous emperor burned down Rome so he could build this golden wonder.
第 4 集 Curse of the Seventh Wonder
播出时间：2019年8月5日
The Lighthouse of Alexandria is one of the world's original Seven Wonders, but it could have been home to a mysterious superweapon, and using cutting-edge tech, experts investigate the secrets of this fabled death ray and its long-lost home.
第 5 集 Pompeii's Evil Twin
播出时间：2019年8月12日
The lost city of Baiae was the Las Vegas of the ancient world -- until a mysterious calamity caused it to sink into the sea. New discoveries reveal the secrets of this sin city that, like Pompeii, some experts believe was destroyed by a supervolcano.
第 6 集 Finding Sparta's 300
播出时间：2019年8月19日
New discoveries might lead investigators to the legendary group of 300 Spartan warriors who died fighting off one million invading Persians, and using cutting-edge tech, experts reconstruct the battlefield to uncover the secrets of their last stand.
第 7 集 Dead Sea Scrolls: The Dark Truth
播出时间：2019年8月26日
The Dead Sea Scrolls are one of the Holy Land's greatest mysteries, but new discoveries might finally reveal the hidden meaning behind the strange texts, and as experts get closer to unmasking their author, they find clues of an ancient apocalypse.
第 8 集 Mystery of the Ice Mummy
播出时间：2019年9月2日
The Iceman is the world's oldest and most perfectly preserved mummy, and brand-new cutting-edge forensic technology is revealing his darkest secrets; these discoveries could change everything we know about the humans who lived 5,000 years ago.
