Crash Courses in Medieval Europe

Fall of the Roman Empire (a lot about the Byzantines)

The Dark Ages (mostly about what non-Europeans were doing)

The Crusades

Ms. Collishaw's slides about the Middle Ages - Byzantium, Dark Ages, High Middle Ages

Timelines TV - Mostly about Britain, short videos on a variety of topics

Medieval Lives - Terry Jones' series of medieval people - funny and well-researched. Includes the peasant, the monk, the damsel, the minstrel, the knight, the philosopher, the outlaw, the king. Half an hour each.

Medieval Women: Warfare and Military Activity - A collection of translated primary source works by university professor.

Medieval Women and War - A list (with some links) by another university professor of sources on women in warfare

De Re Militari - Portal to resources on warfare in the Middle Ages