4 Seasons
S4 E5
5/21/25
The Vermont Doomsday Gun
A research facility spawns new technology with earth-shattering implications, a coastal haven for African Americans changes the nation, a forgotten fortress fights off a Nazi submarine, and a staunch building stands firm on San Francisco's darkest day.
Upcoming Airings
Wednesday
May 21
11:01pm | 10:01c
Thursday
May 22
3:01am | 2:01c
Saturday
May 24
1pm | 12c
Friday
Jun 6
3pm | 2c
Saturday
Jun 14
12pm | 11c
Seasons
Episode
1
The Cult Hotel
Episode
2
Hunting for the Ship of Gold
Episode
3
America's Gun Factory
Episode
4