Dragon Ball Z - episode 37 - 20 Feb, 1990

Bulma destroys the Saiyan ship by accidentally pressing the self-destruct button on its remote. Mr. Popo arrives, and tells them that he knows of another spaceship: the Namekian ship that Kami used to come to Earth when he was a boy. A hesitant Bulma goes with Mr. Popo despite her fear of him and together they uncover the secret of how to control the ship. (Source: Wikipedia)