Dragon Ball Minus

The story covers the time period up to Goku being sent to Earth, and marks the first appearance of Goku's mother Gine in the Dragon Ball franchise.Bardock is out conquering a planet when Frieza decides to eradicate the Saiyans and orders all of them back to Planet Vegeta. Bardock returns home, suspicious of Frieza's actions. Vegeta is out conquering a planet with Raditz and decides to ignore the order. Bardock reunites with Gine, and begins to wonder about his 3-years-old son Kakarot (Goku). Worried that their planet might be met with a terrible fate, Bardock steals an Attack Ball and launches Kakarot out into space. One month later, Frieza arrives to destroy Planet Vegeta.