| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S13E01 | World's Dumbest Thrillseekers 5 |
February 9, 2012
truTV
|
60 | |
| S13E02 | World's Dumbest Brawlers 11 |
February 16, 2012
truTV
|
60 | |
| S13E03 | World's Smartest Inventions 6 |
February 23, 2012
truTV
|
60 | |
| S13E04 | World's Dumbest Motorheads 6 |
March 1, 2012
truTV
|
60 | |
| S13E05 | World's Dumbest Outlaws 6 |
March 8, 2012
truTV
|
60 | |
| S13E06 | World's Dumbest Performers 11 |
March 22, 2012
truTV
|
60 | |
| S13E07 | World's Dumbest Brawlers 12 |
April 5, 2012
truTV
|
60 | |
| S13E08 | World's Dumbest Partiers 19 |
April 12, 2012
truTV
|
60 | |
| S13E09 | World's Dumbest Performers 12 |
April 19, 2012
truTV
|
60 | |
| S13E10 | World's Dumbest Outlaws 7 |
April 26, 2012
truTV
|
60 | |
| S13E11 | World's Dumbest Hillbillies 4 |
May 10, 2012
truTV
|
60 | |
| S13E12 | World's Dumbest Thrillseekers 6 |
May 24, 2012
truTV
|
60 | |
| S13E13 |
World's Smartest Inventions 7
season finale
|
May 31, 2012
truTV
|
60 |
No artwork of this type.
No artwork of this type.