Season Fifteen of Ancient Aliens premiered on January 25, 2020.
Episodes
| # |
#
|
Title
|
|
|
Airdate
|
|
|
|
| 171 |
1
|
The Mystery of Nan Madol
|
|
|
January 25, 2020
|
|
|
|
| 172 |
2
|
The Relics of Roswell
|
|
|
February 1, 2020
|
|
|
|
| 173 |
3
|
Destination Chile
|
|
|
February 8, 2020
|
|
|
|
| 174 |
4
|
The Real Men in Black
|
|
|
February 15, 2020
|
|
|
|
| 175 |
5
|
The Mystery of the Stone Giants
|
|
|
February 22, 2020
|
|
|
|
| 176 |
6
|
The World Before Time
|
|
|
February 29, 2020
|
|
|
|
| 177 |
7
|
They Came from The Pleiades
|
|
|
March 7, 2020
|
|
|
|
| 178 |
8
|
The Immortality Machine
|
|
|
March 14, 2020
|
|
|
|
| 179 |
9
|
The Shapeshifters
|
|
|
March 21, 2020
|
|
|
|
| 180 |
10
|
The Mystery of the Skinwalker Ranch
|
|
|
March 28, 2020
|
|
|
|
| 181 |
11
|
The Ultimate Guide to UFOs
|
|
|
April 11, 2020
|
|
|
|
| 182 |
12
|
Aliens and the Presidents
|
|
|
April 18, 2020
|
|
|
|
