Ninja Hattori-kun
Kenichi Wants to Become a Big Man! (2x99)
:
Kenichi who is tired of playing as a child, asks Hattori to become an adult for just one day. With the help of Hattori, Kenichi borrows his father's clothes and disguises himself, sneaks out of the house, goes out into town, and takes a peek at the adult playground.