The episode where Kakashi and Minato meet again

Episode 623. Kakashi and Minato met in episode 623, and the Ninja World War entered the final stage. Orochimaru joined the battlefield, and later used the Reincarnation of the Earth to summon the first to fourth generations of Konoha's previous Hokage, the first Hokage Senju Hashirama, and the second Hokage Senju. Tobirama, the third Hokage Sarutobi Hiruzen, the fourth Hokage Namikaze Minato, the last four, rushed to the battlefield together, and Kakashi and Minato met. We then fought several battles together.