This episode is considered "filler" (anime-exclusive) and marks the start of the Cursed Warrior arc.
In Naruto Shippūden , Episode 162 is a major plot milestone titled . Naruto (Dub) Episode 162
During a chase, Neji uses his Byakugan and realizes the armor the Cursed Warrior is wearing is completely empty. Naruto (Dub) Episode 162