4. Sezon
Görseller
| # | Görsel | Başlık | Yayınlandı |
|---|---|---|---|
| 1 |  | The Mayan Conspiracy | 17 Şub 2012 |
| 2 |  | The Doomsday Prophecies | 17 Şub 2012 |
| 3 |  | The Greys | 24 Şub 2012 |
| 4 |  | Aliens and Mega-Disasters | 2 Mar 2012 |
| 5 |  | The NASA Connection | 9 Mar 2012 |
| 6 |  | The Mystery of Puma Punku | 16 Mar 2012 |
| 7 |  | Aliens and Bigfoot | 23 Mar 2012 |
| 8 |  | The Da Vinci Conspiracy | 6 Nis 2012 |
| 9 |  | The Time Travelers | 27 Nis 2012 |
| 10 |  | Aliens and Dinosaurs | 4 May 2012 |
| 11 |  | Secrets of the Pyramids | 21 Ara 2012 |
| 12 |  | Aliens and Cover-Ups | 28 Ara 2012 |
| 13 |  | Alien Power Plants | 4 Oca 2013 |
| 14 |  | Destination Orion | 11 Oca 2013 |
| 15 |  | The Einstein Factor | 18 Oca 2013 |