In which episodes did the fourth generation Naruto Naruto appear?

In episode 72, three generations of Huo Ying recalled when orochimaru hit him.

339-340 kakashi gaiden.

Specific content: When I was a child, Kakashi went to perform tasks with his teammates, Lin and teachers in the Third Endurance World War. When performing a task separately from the teacher, he took the soil to save the forest taken away by the bad guys and was hit by a stone. Before he died, he gave his sharingan to Kakashi who had an eye injury. It turns out that Payne's Six Ways are the last four generations of ninjas (including Nagato and Xiao Nan) that Jiraiya met when he was young. He spoke highly of Jiraiya's first novel and decided to give the protagonist's name to his son (Naruto). In this episode, Naruto's mother, Uzumaki Kushina, also appeared and confirmed her husband's name for her son.