"From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode in this hit HISTORY series gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate. Did intelligent beings from outer space visit Earth thousands of years ago?"
| Title | Time | Price | ||
|---|---|---|---|---|
| 1 | Return to Antarctica | 42:11 | USD 1.99 | Buy on iTunes |
| 2 | The Badlands Guardian | 42:12 | USD 1.99 | Buy on iTunes |
| 3 | Element 115 | 42:10 | USD 1.99 | Buy on iTunes |
| 4 | The Star Gods of Sirius | 42:12 | USD 1.99 | Buy on iTunes |
| 5 | They Came from the Sea | 42:11 | USD 1.99 | Buy on iTunes |
| 6 | Secrets of the Maya | 42:11 | USD 1.99 | Buy on iTunes |
| 7 | The Druid Connection | 42:11 | USD 1.99 | Buy on iTunes |
| 8 | The Reptilian Agenda | 42:10 | USD 1.99 | Buy on iTunes |
| 9 | The Alien Infection | 42:08 | USD 1.99 | Buy on iTunes |
| 10 | Project Hybrid | 42:12 | USD 1.99 | Buy on iTunes |
| 11 | The Trans-Dimensionals | 42:12 | USD 1.99 | Buy on iTunes |
| 12 | Islands of Fire | 42:27 | USD 1.99 | Buy on iTunes |
| 13 | The Constellation Code | 42:11 | USD 1.99 | Buy on iTunes |
| 14 | The Nuclear Agenda | 42:12 | USD 1.99 | Buy on iTunes |
| 15 | The Alien Mountain | 42:11 | USD 1.99 | Buy on iTunes |
| 16 | The Alien Brain | 42:12 | USD 1.99 | Buy on iTunes |
| 17 | The Secrets of Stonehenge | 42:11 | USD 1.99 | Buy on iTunes |
| 18 | Food of the Gods | 42:09 | USD 1.99 | Buy on iTunes |
| 19 | Human Hieroglyphs | 42:12 | USD 1.99 | Buy on iTunes |
| 20 | The Storming of Area 51 | 42:11 | USD 1.99 | Buy on iTunes |
| 21 | Countdown to Disclosure | 42:11 | USD 1.99 | Buy on iTunes |
| 22 | Secrets of the Exoplanets | 42:12 | USD 1.99 | Buy on iTunes |
| 23 | Ancient Aliens S12 Sneak Peek | 02:02 | Free | Buy on iTunes |
