Season 15
Episodes
1 The Mystery of Nan Madol Jan 25, 2020 
2 The Relics of Roswell Feb 1, 2020 
3 Destination Chile Feb 8, 2020 
4 The Real Men in Black Feb 15, 2020 
5 The Mystery of the Stone Giants Feb 22, 2020 
6 The World Before Time Feb 29, 2020 
7 They Came from The Pleiades Mar 7, 2020 
8 The Immortality Machine Mar 14, 2020 
9 The Shapeshifters Mar 21, 2020 
10 The Mystery of Skinwalker Ranch Mar 28, 2020 
11 The Ultimate Guide to UFOs Apr 11, 2020 
12 Aliens and the Presidents Apr 18, 2020