Kakashi Gaiden, Narutopedia

Kakashi Gaiden (カカシ外伝, Viz: Kakashi Chronicles, literally meaning: Kakashi Side Story), known as The Kakashi Side Story ~ A Boy's Life on the Battlefield ~ (カカシ外伝～戦場のボーイズライフ～, Kakashi Gaiden ~Senjō no Bōizu Raifu~) in the anime, is an arc of the series, which functions as an intermission between Parts I and II of the manga. It was later adapted into two Shippūden episodes: 119 and 120. This arc explores how Kakashi Hatake gained his Sharingan. In the manga, it is preceded by the Sasuke Recovery

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