Gintama Season 3 Episode 21: A Sizzle Summer / A Nothing Summer, 2015
Episode 21 of 51 of Gintama Season 3, aired August 25, 2015, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Part 1 - After being told by Gin and Shinpachi that part of the joy of eating watermelons is the "drama" that comes with them, Kagura and Princess Soyo decide to raise the stakes. Part 2 - Summer break is almost over and Seita has not done his homework! He goes to Odd Jobs for help but as usual gets more than he bargained for!