This episode takes place during the Fourth Great Ninja War but focuses on a past mission Naruto recalls after encountering a reanimated samurai. Key Plot Points

You want to stick strictly to the manga canon storyline. The episode concludes in the following episode, "The Fallen Castle" (310).

Naruto encounters a reanimated samurai named Tatewaki on the battlefield.

Chōji enters the contest to win second place, which allows Naruto to sneak in and swap places with Shū using the Transformation Technique.

Primarily known for subtitled episodes, though it has "International Dubs" (availability of the English dub varies by region).