Timewatch

Season 23, Episode 8

Episode Title: The Mystery of the Black Death

Air Date: 2004-10-15

Overview:

Could the Black Death - killer of up to half of Europe in the 14th century - be lying dormant, ready to strike again? New evidence refutes received opinion that the cause was bubonic plague spread by rats, but was actually a deadly virus that emerged from animals and then vanished again. 3/6.