part 1
http://www.youtube.com/watch?v=2_vpEyE6rug...feature=related
2
http://www.youtube.com/watch?v=tuT-fIPZITw...feature=related
3
http://www.youtube.com/watch?v=f6_QwNrnAfo...feature=related
4
http://www.youtube.com/watch?v=qngQkO_Rp7Y...feature=related
5
http://www.youtube.com/watch?v=Y2K_FR_MWMw...feature=related
this is one of my favorite programs. i like the part where they talk about universes colliding with each other creating another universe, meaning there would be big bangs happening all the time.