Sezon 2
Bölümler
1 Mysterious Places 28 Eki 2010 
2 Gods & Aliens 4 Kas 2010 
3 Underwater Worlds 11 Kas 2010 
4 Underground Aliens 18 Kas 2010 
5 Aliens and the Third Reich 25 Kas 2010 
6 Alien Tech 2 Ara 2010 
7 Angels and Aliens 9 Ara 2010 
8 Unexplained Structures 16 Ara 2010 
9 Alien Devastations 23 Ara 2010 
10 Alien Contacts 30 Ara 2010