Dragon Ball Z - episode 93 - 04 Jun, 1991

As King Kai and the others watch the battle on Namek, the Ginyu Force (with Jeice as a substitute leader) arrives to take over the planet, but Yamcha, Tien, and Chiaotzu are ready for a fight. Back on Namek, Frieza discovers Goku's Spirit Bomb and plans to stop it. Suddenly, Piccolo steps in to give Goku more time, blindsiding Frieza with a sneak attack. (Source: Wikipedia)