| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | World's Dumbest Criminals 10 |
January 15, 2009
truTV
|
60 | |
| S04E02 | World's Dumbest Drivers 7 |
January 22, 2009
truTV
|
60 | |
| S04E03 | World's Dumbest Daredevils 4 |
February 12, 2009
truTV
|
60 | |
| S04E04 | World's Dumbest Partiers 3 |
February 19, 2009
truTV
|
60 | |
| S04E05 | World's Dumbest Criminals 11 |
February 26, 2009
truTV
|
60 | |
| S04E06 | World's Dumbest Drivers 8 |
March 5, 2009
truTV
|
60 | |
| S04E07 | World's Dumbest Competitions 4 |
March 12, 2009
truTV
|
60 | |
| S04E08 | World's Dumbest Daredevils 5 |
March 19, 2009
truTV
|
60 | |
| S04E09 | World's Dumbest Performers 1 |
April 16, 2009
truTV
|
60 | |
| S04E10 |
World's Dumbest Confrontation
season finale
|
April 23, 2009
truTV
|
60 |
No artwork of this type.
No artwork of this type.