Dragon Ball: Episode of Bardock (Japanese: ドラゴンボール：エピソードオブバーダック Hepburn: Doragon Bōru: Episōdo obu Bādakku) is a three-chapter Japanese manga series written and illustrated by Naho Ōishi, based on Akira Toriyama's Dragon Ball. It serves as a spin-off sequel to the 1990 animated television special Dragon Ball Z: A Lonesome, Final Battle - The Father of Z Warrior Son Goku, who Challenged Freeza. Bardock survives the destruction of his home planet and the genocide of his entire race, having been sent into the past to a strange planet where he battles Freeza's ancestor, Chilled.