Dragon ball z episode 31

DragonBall Z 31

Description: Who's Who?! Just as Bulma, Krillin and Gohan are about to find all the Dragon Balls, their two 'Namek' friends reveal their true identities! Our heroes find themselves in a whole lot of trouble! Meanwhile, Vegeta learns Frieza has already gone to Namek to find the Dragon Balls. Vegeta quickly blasts off to Namek to beat Frieza to them!