Gintama Episode 115: The Time Just Before the Summer Holidays Start Is the Most Fun
Episode 115 of 201 of Gintama, aired July 16, 2008, 25 minutes. Available with English subtitles and dub where released.
Episode summary
While Gintoki, Shinpachi, Kagura, Hasegawa, Tae, Kyuubei and Katsura are on their way to the legendary Dragon Palace, a quarrel between them ends up bringing them onto an isolated island.