Naruto Shippūden Infinite Tsukuyomi: The Invocation Episode 420 The Eight Inner Gates Formation ( Air Date 2015-07-23 ) Genre Animation, Action & Adventure, Sci-Fi & Fantasy category. Overview "Guy activates the Eight Inner Gates Formation and relentlessly attacks Six Paths Madara. Even Madara, who has attained power strong enough to create huge fissures in the ground, tries to dodge Guy's direct attacks.".