Show scheduled for September 27, 9:00 pm Eastern Time (Check page for times in other time zones).

image Follow NGC investigators to a mountaintop monastery in search of clues about the authenticity of a cup some believe to be the Holy Grail. On the trek, discover how and why the Third Reich relentlessly pursued the cup. And re-live the story of a priest said to have died suddenly after breaking the chalice, which miraculously repaired itself.

The Holy Grail | National Geographic Channel