Season Eighteen of Modern Marvels premiered on October 3, 2011.
Episodes
| # |
#
|
Title
|
|
|
Airdate
|
|
|
|
| 667 |
1
|
Inside Your Walls
|
|
|
October 3, 2011
|
|
|
|
| 668 |
2
|
Built by Hand
|
|
|
October 10, 2011
|
|
|
|
| 669 |
3
|
Swamp Tech
|
|
|
October 24, 2011
|
|
|
|
| 670 |
4
|
Pocket Tools
|
|
|
November 7, 2011
|
|
|
|
| 671 |
5
|
Food Trucks
|
|
|
November 14, 2011
|
|
|
|
| 672 |
6
|
Weird Machines
|
|
|
November 28, 2011
|
|
|
|
| 673 |
7
|
More Candy
|
|
|
December 5, 2011
|
|
|
|
| 674 |
8
|
Wood
|
|
|
December 19, 2011
|
|
|
|
| 675 |
9
|
Convenience Stores
|
|
|
December 26, 2011
|
|
|
|
| 676 |
10
|
Battle Ready
|
|
|
January 2, 2012
|
|
|
|
| 677 |
11
|
Waterproof
|
|
|
January 9, 2012
|
|
|
|
| 678 |
12
|
Tiny Weapons
|
|
|
January 16, 2012
|
|
|
|
| 679 |
13
|
Stink
|
|
|
January 23, 2012
|
|
|
|
| 680 |
14
|
Under Pressure
|
|
|
January 30, 2012
|
|
|
|
| 681 |
15
|
Shoes
|
|
|
February 6, 2012
|
|
|
|
| 682 |
16
|
Going Medieval
|
|
|
February 20, 2012
|
|
|
|
| 683 |
17
|
Alaska
|
|
|
February 27, 2012
|
|
|
|
