Season 4

1. Butch Cassidy & The Sundance Kid

2015-07-20

2. Madison's Montpelier

2015-07-27

The guys search for artifacts pertaining to president James Madison on his Montpelier estate and at Belle Grove Plantation in Virginia.

3. Sleepy Hollow

2015-08-03

4. The Ludlow Massacre

2015-08-10

5. Treasures Of The Carribean

2015-08-17

6. Grant's Landing

2015-08-24

7. Band Of Brothers

2015-08-31

8. The Real McCoy

2015-09-07

9. Battle Of Shiloh

2015-09-14

10. America's Deadliest Fire

2015-09-21

11. Saratoga

2015-09-28

12. Santa Fe Trail

2015-10-05

13. 12 Years A Slave

2015-10-12

14. Captain John Smith's Virginia Nectar

2015-10-19

15. Lewis & Clark's Montana Bonanza

2015-10-26

16. Nazis In Mississippi

2015-11-02

17. Gunslingers

2015-11-09

18. Wild West

2015-11-16