"Edit: It looks like NBC blocked my episode 5 video due to copyright reason. If you want to see my episode 5 video, you may need to watch my 7 hours video below: http://www.youtube.com/watch?v=J8X0tp_VTlM
So, this is my another complete walkthrough in a single video. There's no need to look for another part, you can just watch it all in one place. Here's all the episodes in order.