Episodes 1 and 466:
Chirabi and Hachiba help Naruto practice how to control Kyubi no Youko. When Naruto fought Kyubi no Youko again, he accidentally met his mother, Uzumaki Kushina, the last pillar of Kyubi no Youko.
His mother told him about his encounter with Watergate 16 years ago (that is, Jiu Si Nai and Watergate met when he was a child, and when Jiu Si Nai was targeted by Yunyin, Watergate saved Jiu Si Nai). After the consciousness picture disappeared, Uzumaki Kushina helped Naruto defeat Kyubi no Youko, and obtained Naruto's Kyubi no Youko model, which enabled Naruto to perceive malice and find out the true son who had been ambushed.
The plot of episode 2468
The mysterious masked man threatened Watergate with the newborn Naruto. After Watergate was forced to rescue Naruto with the skill of flying Raytheon, masked men snatched the newly-made Nine Sinai. When Watergate happened to save Jiusinai, Kyubi no Youko had been dragged out of Jiusinai's body.
On a quiet night, no one noticed anything unusual. The sudden appearance of Kyubi no Youko caught everyone off guard, and the village fell into chaos in an instant. Watergate incident covered with Huo Yingyu's hair, now Huo Ying has to perform his duties, and the masked man found him again.