Dragon Ball Z Episode 91: Embodiment of Fire
Episode 91 of 291 of Dragon Ball Z, aired May 15, 1991, 25 minutes. Available with English subtitles and dub where released.
Episode summary
To ensure Goku is defeated, Frieza powers up to 50% of his maximum and it seems that not even Goku can handle it. Captain Ginyu finds the other heroes in Bulma's body and prepares to have his revenge. Can the others see through Ginyu's trickery?