Target: Nine-Tails

is episode 247 of the Naruto: Shippūden anime.

Summary
Naruto defeats the Nine-Tails and manages to extract its chakra. Kushina reveals to Naruto that she became the Nine-Tails' jinchūriki. She also revealed her origin from Uzushiogakure, which was highly recognised for its powerful fūinjutsu and close ally of Konohagakure. As Kushina gave birth to Naruto, a mysterious masked man silently attacked ANBU ninja and infiltrated the venue.

Trivia

 * When the chakra chain trips Kurama, you can see that there are ten tails.