
S04 Episode 1
Mayan Apocalypse
43 mins · Tue, 7 Sep 2021

S04 Episode 2
America's Military Underground
43 mins · Tue, 14 Sep 2021

S04 Episode 3
America's Unmapped Murder Tunnels
43 mins · Tue, 21 Sep 2021

S04 Episode 4
America's Ancient Ancestors
43 mins · Tue, 28 Sep 2021

S04 Episode 5
The Pirate Queen's Lair
43 mins · Tue, 5 Oct 2021

S04 Episode 6
Templars and The Founding Fathers
43 mins · Tue, 12 Oct 2021

S04 Episode 7
Secrets of the Ancient Metropolis
43 mins · Tue, 19 Oct 2021

S04 Episode 8
The Lost Aztec Colony
43 mins · Tue, 26 Oct 2021