Gintama Episode 21: If You Go to Sleep with the Fan On, You`ll Get a Stomachache, So Be Careful
Episode 21 of 201 of Gintama, aired August 21, 2006, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Part 1 - The group helps an amanto to protect his pond from developers. Part 2 - Gintoki goes all over town trying to find an electric fan replacement during a heatwave.