Ancient Aliens: Space Relic Uncovered at UFO Crash Site (Season 15)

 https://www.youtube.com/watch?v=h_YyYtYX-NE

For many it's just entertainment. However, sometimes the series really presents some fascinating observations & theories. 

https://www.ancient-code.com/category/ancient-aliens/

https://www.ancient-origins.net/unexplained-phenomena/what-did-ancients-see-unidentified-flying-objects-made-impact-early-history-021327

https://desertshapes.blogspot.com/search?q=Ancient+Aliens