Dragon Ball: Episode of Bardock (ドラゴンボール:エピソードオブバーダック Doragon Bōru: Episōdo obu Bādakku) is a three-chapter 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.