Dragon Ball Episode 151: Outrageous Octagon
Episode 151 of 153 of Dragon Ball, aired April 5, 1989, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Goku's search for the Basho fan leads him to a treacherous mountain that has a strange curse. ChiChi is faced with the biggest mess of her life when she meets a mysterious old woman, while the Ox King tries to flee the raging fires that threaten to destroy his castle!