Dragon ball z episode 21

DragonBall Z 21

Description: The Return of Goku Krillin is defeated and Nappa fires a massive power blast to finish off Gohan. Before it's too late, Piccolo jumps in the way and sacrifices himself to save Gohan. But Kami as well is killed and the seven Dragon Balls to wish everyone back to life vanish. Enraged, Gohan uses all of his power to fight, but Nappa is too strong. Luckily, however, Goku finally arrives!