Vetřelci dávnověku – Série 15
| Epizoda | Název | Délka |
|---|---|---|
| S15E01 | The Mystery of Nan Madol | 42 min |
| S15E02 | The Relics of Roswell | 42 min |
| S15E03 | Destination Chile | 42 min |
| S15E04 | The Real Men in Black | 42 min |
| S15E05 | The Mystery of the Stone Giants | 42 min |
| S15E06 | The World Before Time | 42 min |
| S15E07 | They Came from the Pleiades | 43 min |
| S15E08 | The Immortality Machine | 42 min |
| S15E09 | The Shapeshifters | 42 min |
| S15E10 | The Mystery of Skinwalker Ranch | 42 min |
| S15E11 | The Ultimate Guide to UFOs | 42 min |
| S15E12 | Aliens and the Presidents | 42 min |