Bringing Back Reality

is episode 214 of the original Naruto anime.

Synopsis
Naruto and Menma are sent on a mission with Neji and Tenten. Tsunade begins distrusting that Menma was a Sound ninja due to his skills, and Neji begins suspecting the same thing when Menma moves even faster than he does. The group enters a town that was largely destroyed by bandits, and Menma convinces Naruto's unit to help build it to guard against another attack.