Dragon ball z episode 14

DragonBall Z 14

Description: The Legend of the Saiyans Goku's next task is to hit Gregory, a super fast grasshopper, with a heavy hammer. Amazed at how quickly Goku can conquer the gravity, King Kai decides to teach him the techniques "Kaio-Ken" and "Spirit Bomb". King Kai also reveals information about Goku's Saiyan heritage. Goku learns the planet Vegeta had vanished and he was among only four Saiyan survivors.