Gintama° - episode 21 - 25 Aug, 2015

Overall episode #286 Part A The Yorozuya help Soyo-hime celebrate summer through the traditional watermelon smashing. Things get out of control when the princess gets kidnapped by rebels and it's up to the Yorozuya to save the day... with watermelons. Part B Seita asks the Yorozuya for help finishing his homework but is having a tough time with one of them, a picture diary. Lupita, and panties, and fireworks, oh my! And let's not forget a shaggy monster! (Source: Wikipedia)