Secrets - Season 3 - Eps 3: The Holy Grail
The quest for the Holy Grail has consumed knights and crusaders, and has inspired legendary tales and Hollywood blockbusters. Could it be that the epic search is finally over? One church in Spain says they have found the sacred chalice, and that they have evidence to prove it, but some experts believe this is just the latest in a long line of false claims. Our team traces the extraordinary story behind this ultimate relic and uses forensic and historic analysis in an attempt to solve this 2,000-year mystery.
About Secrets

Title: Secrets
First Air Date: 2013-08-04
Last Air Date: 2021-09-20
Status: Returning Series
Rating: 8/10 (from 1 votes)
Language: EN
Seasons: 7
Total Episodes: 45
Network: History Smithsonian Channel
Genres: Documentary, Mystery
Production Companies: Blink Films
Synopsis
A monument that may explain why the people of a thriving ancient city vanished from Earth. A tablet that reveals a towering truth about one of the Bible's strangest stories. Evidence that the 10 plagues of Egypt were real natural phenomena. Join us as we follow a team of investigators around the globe, using modern science and technology to uncover ancient mysteries surrounding these and other puzzles from our past. By examining these relics and legends, we hope to gain insights into who we are, where we come from, and where we are going.