The videos are a nice mix of 3D and regular animation and do a good job of building up the lore for the expansion.
Part 1: Kargath
[youtube]http://youtu.be/LG3RVCEwCPg[/youtube]
Part 2: Grommash
[youtube]http://youtu.be/FRnabRRi1ik[/youtube]
Part 3: Durotan
[youtube]http://youtu.be/J7VT7NG7e38[/youtube]
Part 4: Kilrogg
[youtube]http://youtu.be/fRlokbOelfg[/youtube]
Part 5: Maraad
[youtube]http://youtu.be/t6LIty6Uea4[/youtube]
[...]
