Dragon Ball Episode 129: The Time Room
Episode 129 of 153 of Dragon Ball, aired October 12, 1988, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Goku journeys through time, where he meets a young Master Roshi! But Roshi has a problem of his own his arch rival, Shen! While the two rivals battle for the affections of the same girl, Goku attempts a new power with the help of Master Mutaito.