Dragon Ball Z Anime Androides, 2

While fighting Android 19 in his Super Saiyan form, Goku begins to experience symptoms of a viral heart disease and has to leave the battlefield. Vegeta then appears and confronts the android. The prince of the Saiyan warrior race reveals his true nature by transforming into a Super Saiyan and overwhelming Android 19. Android 20 realizes the danger and heads to the laboratory to activate Androids 17 and 18.