Dragon Ball Z Kai — Episode 21: Awaken, Legendary Warrior! Goku the Super Saiyan!

You are watching the episode Awaken, Legendary Warrior! Goku the Super Saiyan! With the help of his friends, Goku succeeds in blasting Frieza with a gargantuan Spirit Bomb! Victory seems assured, but when the monster re-emerges to strike a shockingly fatal blow - Goku undergoes a powerful transformation!