Stumbos 4

Stumbos 4 is a really high gravity planet. It can be possible to be crushed under the weight of your own hair. In the year 3000, the Planet Express crew were ordered to pillows to a  on the planet's surface.

Trivia

 * A deleted scene shows that the planet's natives are very short and squat, and wear traditional n-style clothing. They also use extremely large coins as their currency, which caused the Planet Express crew problems when their customer gave them a few coins as a tip.