Season 13 aired between 27 Apr 2018 and 07 Jan 2019, 15 episodes.
Episodes
E01
The UFO Conspiracy
27 Apr 2018
E02
Da Vinci's Forbidden Codes
04 May 2018
E03
The Alien Protocols
11 May 2018
E04
Earth's Black Holes
18 May 2018
E05
The Desert Codes
25 May 2018
E06
Area 52
01 Jun 2018
E07
Earth Station Egypt
20 Jul 2018
E08
Island of the Giants
27 Jul 2018
E09
The Taken
03 Aug 2018
E10
The Sentinels
10 Aug 2018
E11
Russia Declassified
17 Aug 2018
E12
They Came from the Sky
24 Aug 2018
E13
The Artificial Human
31 Aug 2018
E14
The Alien Phenomenon
04 Jan 2019
E15
Return to Mars
07 Jan 2019