Gintama: Season 4, Episode 38

4 - 38: An Observation Journal Should Be Seen Through To The Very End

Students at a temple school share their independent research projects completed during the past summer vacation. After one of the students finishes reading a well-written journal, the last one to present is a kid named Daigoro. Sleeping in on the first day of summer vacation, Daigoro arrived late at the radio exercises and met Madao, and decided to keep an observation journal about him.