Dragon Ball Z Episode 179: No More Rules
Episode 179 of 291 of Dragon Ball Z, aired March 31, 1993, 25 minutes. Available with English subtitles and dub where released.
Episode summary
As the battle intensifies, Cell quickly becomes tired of the rules he has imposed on the tournament. With a flick of his finger, he destroys the fighting ring. Now there's only one way to win the Cell Games...it's a fight to the finish!