Some video sources for World History

 
Discovery has its World History Video 5-pack, which covers Pre-History to the Contemporary World in 53 segments. http://www.socialstudies.com/c/product.html?record@TF36993

Others have mentioned the Annenberg series Bridging World History that looks at global patterns over time . http://www.socialstudies.com/c/product.html?record@TF40788

 The Story of Civilization
has six 50-minute programs covering cultural development on four continents. http://www.socialstudies.com/c/product.html?record@TF40503

Michael Wood's Legacy: The Origins of Civilization explores the world's great cultures and what the West can learn from them. http://www.socialstudies.com/c/product.html?record@TF22121