Dragon Ball Z Episode 33: Hero in the Shadows
Episode 33 of 291 of Dragon Ball Z, aired January 24, 1990, 25 minutes. Available with English subtitles and dub where released.
Episode summary
With Goku caught in the clutches of the giant ape Vegeta, Krillin and Gohan launch a desperate attempt to save him! All is for naught, however, as Krillin's Destructo Disk fails to sever the Saiyan's tail. But a single hope remains for reversing Vegeta's monstrous transformation, when an unlikely hero steps out of the shadows - Yajirobe!