Dragon Ball Episode 127: Quicker Than Lightning
Episode 127 of 153 of Dragon Ball, aired September 21, 1988, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Goku's first task under his new teacher is a death-defying mission to the top of Mount Rumble to fetch the legendary Sacred Crown. But the mystical artifact has a deadly secret! Goku will have to be quicker than lightning to accomplish this task alive!