Everyone, I need your help!

In my speech class we are assigned to do an informative speech. I decided my topic will be Big Bang. I am going to talk about their debut and how they were formed, their growing popularity, and their potential expansion into international music industries. We have to use credible sources, though, so this means no wikipedia or fansites. I'm already using YG's site, Mnet, KBS, Billboard, Fuse TV, and MTV. Are there any other sites you all know of?

Also, I'm looking for the complete series of Big Bang's MTV documentary back in 2006 when they were forming debuting. Can anyone give me a link to the complete series with English subs?

I'm so excited for this speech, and I can't wait to tell my classmates about my favorite band! Well, I can't say they're my favorite because this speech isn't persuasive, but still! Conforming people to KPop one class at a time ;)