Dragon Ball Z - episode 48 - 15 May, 1990

Dodoria steps in to fight, and he easily kills the Namekian warriors. With no other choice, the elder gives the fifth ball to Frieza, but despite his cooperation, he and the Namekian boy, Cargo, are killed. Before Dodoria can finish off the last Namekian boy, Gohan loses control and steps in to save him. He grabs the boy and takes off, with Krillin at his side. Dodoria speeds off after them. (Source: Wikipedia)