Season 13

1. Containers

2. Fire

3. Cotton

4. Engineering Disasters 18

5. Candy

6. Weird Weapons: The Axis

7. Nature Tech: Avalanches

8. Engineering Disasters: New Orleans

9. Leather

10. Engineering Disasters 19

11. Insulation

12. Hi-Tech Hitler

13. Shovels

14. Drilling

15. 80s Tech

16. Ben Franklin Tech

17. Copper Kings

18. Heavy Metals

19. Money

20. BBQ Tech

21. American Eats Special

22. High Explosives

23. Pirate Tech

24. Boneyard: Where Machines End Their Lives

25. World's Biggest Machines 5

26. Super Tools: Skyscraper

27. The AK-47

28. Nuts

29. Classic Cars

30. Making Medieval Armor

31. Rube Goldberg

32. Batteries

33. Mummy Tech

34. Levees

35. Water

36. The Cola Wars

37. Copper

38. Shotguns

39. Building In The Name Of God

40. Horsepower

41. Renewable Energy

42. Freight Trains

43. Cities of the Underworld

44. Atlantic Intracoastal Waterway

45. Stealth & Beyond: Air Stealth

46. Stealth & Beyond: Sea Stealth

47. Ink

48. Distilleries 2

49. World's Strongest

50. Tomcat Sunset

51. Tobacco

52. The Supermarket

53. Breakfast Tech

54. Wine

55. Harvesting 2

56. Engineering Disasters 20

57. Snow

58. Tea

59. Christmas Tech

60. Wind