Dragon Ball Z Episode 33
Hero in the Shadows
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!