The Knights Templar (2002) is a Documentary series that follows the long and storied history of the French warrior monks who fought in the Crusades, formed a powerful banking empire in Europe and collapsed under the weight of rumors that they had captured both the Holy Grail and the Ark of the Covenant. Currently, you can watch The Knights Templar on The Great Courses Amazon Channel. Streaming availability may vary by country and platform over time. It has a user rating of 6.0 out of 10 from 1 votes. Fans of documentary series may also want to explore similar titles below.