The Unbreakable Mask and the Shattered Bubble
As a Naruto clone disappears, the real Naruto comes face to face with the other Madara in the mask and attempts to headbutt the mask. As the masked man readies his reincarnated jinchūriki, Naruto recognises one of the jutsu. In a fantasy world, Naruto meets with a reincarnated Utakata, who explains more about what happened after he left the Tsuchigumo village. After the conversation, the former jinchūriki use various jutsus to attack Naruto and Killer B. However, when Naruto mentions that two Madara's exist, the masked man proclaims that he no longer cares about his name and only cares for the completion of the Eye of the Moon Plan. Tobi states that the world is worthless and there is nothing but misery and says Naruto and B would understand, due to their childhood. However, Naruto admits his life with a tailed beast inside him wasn't bad. Naruto says all the things that the "no one" has said are nothing more than lies. The two jinchūriki become dedicated in unmasking him but Tobi says they will have to fight for it first. The deceased jinchūriki grow a tail of their former tailed beasts and Tobi declares he will capture Naruto and B and fulfil his plan.
Aired 08/08/2013EP 324 - The Unbreakable Mask and the Shattered Bubble

Naruto: Shippuden
Naruto: Shippuuden is the continuation of the original animated TV series Naruto. The story revolves around an older and slightly more matured Uzumaki Naruto and his quest to save his friend Uchiha Sasuke from the grips of the snake-like Shinobi, Orochimaru. After 2 and a half years Naruto finally returns to his village of Konoha, and sets about putting his ambitions to work, though it will not be easy, as he has amassed a few (more dangerous) enemies, in the likes of the shinobi organization; Akatsuki.
(Source: Anime News Network)