The guardians have been around for quite some time now and even though Medivh's novel was called "The Last Guardian", there's still one on Azeroth even though we never hear about him. But who are the guardians and why do we need them? That's what we're going to find out!
An hour to long? Here are the individual episodes:
The First Guardian: http://www.youtube.com/watch?v=_ZjeK-Q4teM
Aegwynn & Medivh: http://www.youtube.com/watch?v=rDY207EAd8k
Aegwynn,Medivh, Med'an: http://www.youtube.com/watch?v=shLGAro815s
Want More Lore?!
Karazhan, a link to Draenor?: http://youtu.be/JD_LU1-WpXA
The Story of Broxigar:http://youtu.be/y7fo2LR9PoY
The Light in World of Warcraft: http://youtu.be/e1GZBEGSfCo
Go nuts, go random!: http://youtu.be/RiEpXJMxDZs