Naruto Season 4 Episode 161 The Appearance of Strange Visitors ( Air Date 2005-11-23 ) Genre Animation, Action & Adventure, Sci-Fi & Fantasy category. Overview "As Gai and Lee leave Konoha on a mission, two strangers disguise themselves as them and sneak into the village to learn its secrets. Tsunade, Sakura and Tenten have big plans in store for these imposters, plans that'll make their lives miserable.".