Which episode do Naruto and Nine Tails become friends?
“Kurama” (九喇嘛, Kurama) is episode 328 of the Naruto: Shippūden anime.
Why is the nine tails so angry?
Centuries of receiving humanity’s negative treatment caused Kurama to develop intense hostility and distrust against them, even going as far as proclaiming itself to be the living embodiment of hatred. Ever since its sealing within Naruto, Kurama plotted to use his dependence on its power to break free from the seal.