Naruto - Season 4 Episode 215 A Past to Be Erased
Overview: Ran wants to kill Menma, upon seeing the mark on his arm, but Neji stands in the way, saying it would be unfair to kill a criminal without any memories of his crimes. Ran finally agrees and performs surgery on Menma, saving his life, but the villagers aren’t as happy. Are they prepared for when foreign shinobi group comes for a second attack?