DBZK Episode 8
From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
King Kai tests Goku's ability to create a Spirit Bomb with a large brick as a target, and Goku destroys it with ease. However, King Kai warns Goku of the potential danger of creating a Spirit Bomb on Earth. So Goku decides to only use it as a last resort. With his training complete, Goku, through King Kai, sends a telepathic message to Master Roshi to use the Dragon Balls to resurrect him. On Earth, Roshi, Bulma, and Oolong summon the eternal dragon Shenron and fulfill Goku's wish. Goku then begins the long journey back along Snake Way. The next day, the Saiyans, Nappa and Vegeta, land on Earth to begin their search for the Dragon Balls.
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