Naruto Episode 42: The Ultimate Battle: Cha!
Episode 42 of 220 of Naruto, aired July 23, 2003, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Sakura and Ino prepare to settle the score once and for all! However, when Sakura becomes the victim of Ino's Mind-Body Switch Justu, will she be forced to give up the match?