Naruto Episode 32: Sakura Blossoms!
Episode 32 of 220 of Naruto, aired May 7, 2003, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Lee in his weakened state is having trouble defeating Dosu. Sakura realises everyone has been protecting her until now and that its her time to protect them! Can Sakura succeed where even Lee failed?