"The Missed Target" (的外れ 見えてきた標的, Matohazure, Mietekita Hyōteki) is episode 199 of the original Naruto anime.
Synopsis[]
A Giant Eagle drops countless copies of the letter of introduction into town, serving as a diversion from Gennō's true plan. The genin group discovers that a kunai target in the Academy dōjō is actually the trigger for explosive tags in the Academy, and that explosive tags are planted all across the village.