It’s Christmas time and traditionally the season when critics of the nativity story take shots at some of its more prosaic elements. But what if the star above the manger and the three wise men had a historical basis?

Dr. Chris Forbes brings his expertise in the Greco-Roman world to bear on why historians believe the story of the three magi and the star over a stable might actually be based in fact.

Join John Dickson as these two historical boffins discuss astrological formations, ancient king-makers and a reasonable explanation for an interstellar night light in Bethlehem.