Planets

Earth
This planet is Inherited by Humans and this is where Goku was sent to take over but a little accident deleted that off his mind and memory, most of the DBZ fighters are from Planet Earth later it is destroyed, but Earth is wished back using the Dragonballs.

Arlia
Home of a race of insect looking creatures. A strict dictator runs the planet and many of the natives are forced into slavery. Vegeta and Nappa arrive at this planet and kill the evil dictator, but blow up the entire planet.

Dark Star
A world completely engulfed in darkness, it is home of Babidi's slave Yakon.

Frieza's Conquered Planet #79
One of Frieza's many bases, the ginyu force along with Vegeta are stationed here. It's not known what happened to the planet after King Cold was destroyed.

Kanassa
Fish with telepathic abilities inhabits Kanassa. Bardock is to remove the fishes from the planet so it can be sold.

Konats
This planet was first introduced in Movie #12. This is the home of Tapion. This is where Hildegarn, after wrecking havoc on the planet. This planet was never destroyed.

Makyo Star
The Makyo Star passes close to Earth every couple 12000 years. The Makyo Star is the home of Garlic and Garlic Jr. Gohan later destroyed it.

Planet Meat
Bardock's men annihilate all life on Planet Meat. This is where Dodoria and his men jump Bardock's force and kills them.

Planet Namek
The native planet of the Namek. The Nameks live there peacefully until Frieza comes to search for the Dragonballs. The battle with Freeza takes place here and the planet is destroyed in the process. Namek never has a night. Namek is inhabited by a variety of creature.

Yardrat
After the explosion of Planet Namek, Goku barely escapes to this nearby planet. This is where he learns the very useful technique, "instant transmission."