Dark Secrets of the Holy Grail

New discoveries turn up fresh evidence that might reveal the hiding place of the Holy Grail; as experts get closer to this mysterious relic, they uncover just how close the Nazis were to finding this treasure, and the immortality it's said to bestow. This is a mashup of S06E03 "Nazi Raiders of the Holy Grail" and S02E02 "The Real Holy Grail."