"The Nine-Tails Attack!!" (九尾襲来!!, Kyūbi Shūrai!!, Viz: Nine-Tails Attacks!!) is chapter 501 of the original Naruto manga.
Tobi breaks through the barrier and kidnaps Naruto Uzumaki. As the Nine-Tails was starting to leak out of Kushina Uzumaki, Tobi demands Minato Namikaze gets away from Kushina or Naruto dies. He's about to strike Naruto but Minato saves him. But Tobi managed to put explosive tag on Naruto. Kushina cries, luckily Naruto and Minato escape, but Tobi escapes with Kushina and releases the Nine-Tails. He tries to kill Kushina through the Nine-Tails but Minato appears and saves her. He then takes her to his house. She tells him they're heading for the village and he must stop them. Minato puts on his cloak, is ready to protect the village and say that he will return. Itachi Uchiha is seen holding Sasuke Uchiha moments before the Nine-Tailed Demon Fox's Attack.