DRAGON BALL: EPISODE OF BARDOCK

Shown at Jump Festa 2012 hold in December, 2011. Bardock, Goku's father who was suppose to die when Freeza's attack hit him along with the Planet Vegeta, he was sent way back in time, where the planet was inhabited by a strange creatures. There, after a while he met Freeza's ancestor, a space pirate named Chilled and fought him to protect the planet. — Description from AniList community (anilist.co).