| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S12E01 | Alien Hunters |
April 28, 2017
History
|
42 | |
| S12E02 | Forged by the Gods |
May 5, 2017
History
|
43 | |
| S12E03 | The Mystery of Rudloe Manor |
May 12, 2017
History
|
43 | |
| S12E04 | The Alien Architects |
May 19, 2017
History
|
43 | |
| S12E05 | The Pharaohs' Curse |
May 26, 2017
History
|
43 | |
| S12E06 | The Science Wars |
June 2, 2017
History
|
43 | |
| S12E07 | City of the Gods |
June 9, 2017
History
|
42 | |
| S12E08 | The Alien Frequency |
June 16, 2017
History
|
42 | |
| S12E09 | The Majestic Twelve |
July 7, 2017
History
|
42 | |
| S12E10 | The Akashic Record |
July 14, 2017
History
|
42 | |
| S12E11 | Voices of the Gods |
July 21, 2017
History
|
42 | |
| S12E12 | The Animal Agenda |
July 28, 2017
History
|
42 | |
| S12E13 | The Replicants |
August 4, 2017
History
|
42 | |
| S12E14 | A Spaceship Made of Stone |
August 11, 2017
History
|
42 | |
| S12E15 | The Alien Disks |
September 8, 2017
History
|
42 | |
| S12E16 |
Return to Gobekli Tepe
season finale
|
September 15, 2017
History
|
42 |
No artwork of this type.
No artwork of this type.
