World's Dumbest Holidays
Episode: 7x01 | Airdate: Dec 24, 2009
Thanksgiving turkeys fight back; Santa consumes too much holiday cheer; A leprechaun brings the luck of the Irish to a small Alabama town.
Episodes
World's Dumbest Drivers 16
Episode: 7x02 | Airdate: Jan 4, 2010
World's Dumbest Criminals 19
Episode: 7x03 | Airdate: Jan 28, 2010
World's Dumbest Performers 3
Episode: 7x04 | Airdate: Feb 11, 2010
World's Dumbest Lovers
Episode: 7x05 | Airdate: Feb 11, 2010
World's Dumbest Daredevils 9
Episode: 7x06 | Airdate: Feb 18, 2010
World's Smartest Inventions
Episode: 7x07 | Airdate: Mar 4, 2010
World's Dumbest Brawlers 2
Episode: 7x08 | Airdate: Mar 11, 2010
World's Dumbest Partiers 9
Episode: 7x09 | Airdate: Mar 18, 2010
World's Dumbest Criminals 20
Episode: 7x10 | Airdate: Mar 25, 2010
World's Dumbest Record Breakers 5
Episode: 7x11 | Airdate: Apr 1, 2010
World's Dumbest Drivers 17
Episode: 7x12 | Airdate: Apr 8, 2010
World's Dumbest Heroes
Episode: 7x13 | Airdate: Apr 15, 2010