Dragon Ball is the story of a young warrior by the name of Son Goku, a young peculiar boy with a tail who embarks on a quest to become stronger and learns of the Dragon Balls, when, once all 7 are gathered, grant any wish of choice.
Along his journey, Goku makes several friends and battles a wide variety of villains, many of whom also seek the Dragon Balls for their own desires. He also encounters the god of destruction Beerus, and later his angelic attendant Whis, and struggles against the cosmic tyrant Frieza. As Goku continues his journey, he becomes the Earth's greatest defender and battles a wide variety of powerful opponents, including androids, ancient deities, aliens, and other powerful fighters.
The series is set in a world where the use of martial arts is commonplace and power levels can be determined by a scouter. Goku and his friends must defend the Earth against all sorts of threats, such as the intergalactic tyrant Frieza, the powerful Android Cell, and the evil Majin Buu. Along the way, they gain allies such as the Saiyan prince Vegeta, the Namekian warrior Piccolo, and the human teenager Gohan.