When Naruto beat the tailed beast, in which episode did Kakashi regard Naruto as the Fourth Hokage?

This is episode 549.

This episode tells that when Kakashi and others were about to be hit by the tailed beast bullets, Naruto appeared like a bolt of lightning and deflected the tailed beast bullets. At that moment, Kakashi hit Naruto As the Fourth Hokage Namikaze Minato, Naruto beautifully unlocked the seal of the chain and gained the trust of the Fourth-Tailed Son. However, the seal could not be completely broken, and Sun was sucked in by the heretic demon.

The masked man went one step further and turned all the remaining jinchūriki into tailed beasts and launched an attack. Naruto was also unable to move due to exhaustion of chakra. Just when he was helpless, Kyuubi spoke to Naruto. The Kyuubi-Kuro Lama, who was deeply moved by Naruto's actions, expressed his intention to lend his power to Naruto, and the combination of Naruto and Kyu Lama from the Konoha Ninja Village finally took action.

Extended information:

Plot introduction:

Naruto, who has been practicing outside for two years, is back. But at this time, the "Akatsuki" was also beginning to make moves. Gaara, who had become the Kazekage of Sunagakure Village, was captured by "Akatsuki" members Deidara and Scorpion. Naruto and Kakashi's team went to Sand Hidden Village to rescue Gaara and found the base of "Akatsuki", but Gaara had been pulled away from the tailed beast and died.

Kakashi was hospitalized due to overwork. Yamato from the ANBU led Team 7 instead of Kakashi, and new member Sai also joined the team. Using the information they obtained from Scorpion, they went to Tenchi Bridge to inquire about Sasuke. The conflict between Naruto and Akatsuki is about to break out.