Stream anime episodes online for free, Watch Dragon Ball Kai Episode 1 English version online and free episodes. Anime Episode guide, Chapter Dragon Ball Kai Episode 1 English dubbed Prologue to Battle! The Return of Son Goku” / “Prologue to Battle! The Return of Goku! The episode begins with a flashback of the destruction of Planet Vegeta at the hands of Frieza, and the upbringing of Goku on Earth as depicted in the original Dragon Ball series. Five years have passed since Goku’s victory over Piccolo at the 23rd World Martial Arts Tournament, and he has since married Chi-Chi and now has a son named Gohan. Goku and Gohan are heading towards a reunion with Goku’s friends. Elsewhere, an odd-looking spacecraft crash lands on Earth. A man in battle armor emerges from the vessel and flies off to scout out a powerful life form he locates with the help of an apparatus on his eye. Piccolo is nearly killed by the stranger, but this is averted when the man leaves to scout out a more powerful life form. The other strong life form is Goku, who at Master Roshi’s house presents his son to Roshi, Krillin, and Bulma. The stranger arrives and speaks to Goku in a familiar manner.