"Sorry to keep you waiting. I'm all better now." Cell: "Interesting... A Super Saiyan. But you're still no match for perfection." Piccolo: "He's faster than before... How?"
, titled "The Angry Super Saiyan! Goku Throws Down the Gauntlet!" , originally aired in Japan on March 14, 2010. This pivotal episode marks the first full demonstration of Son Goku 's legendary Super Saiyan form as he begins his overwhelming counterattack against the galactic tyrant Frieza on the dying planet Namek. Plot Summary and Key Events Dragon Ball Kai Episode 48