Dragon Ball Z Episode 128: Double Trouble for Goku
Episode 128 of 291 of Dragon Ball Z, aired February 19, 1992, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Yamcha has found Androids 19 and 20, but is hanging on by a thread as Goku and the others come to his aid. Krillin brings Yamcha to Bulma with the Senzu Beans while Goku leads the Androids away from the city, but the Androids have a secret ability that only Yamcha knows.