Boruto: Naruto Next Generations season 1 episode 257
Episode title: Konohamaru Becomes the Hokage?!
Naruto has been asked to play himself in the popular Evil Jammer Kagemasa shinobi movie series. Konohamaru ends up playing the role in his place. Since this is his first movie appearance and the fact that he will be playing the Seventh Hokage, someone he looks up to, Konohamaru goes all out. However, he’s troubled when production doesn’t quite go as he expected. Upon hearing something from the assistant director, he proposes something to make the movie more enjoyable.
