Dragon Ball Episode 135: Battle of the Eight
Episode 135 of 153 of Dragon Ball, aired November 23, 1988, 25 minutes. Available with English subtitles and dub where released.
Episode summary
The preliminary round continues as Goku, Yamcha, Krillin, and Tien battle one opponent after another in hopes of advancing to the semi-final round. Meanwhile, Master Roshi is confronted by an old rival.