Gintama - S1: Episode 21

If You're a Man, Try the Swordfish / If You Go to Sleep With the Fan On, You'll Get a Stomachache, So Be Careful

Part 1 – “If you’re a man, you fish for marlin first!” The group helps an amanto to protect his pond from developers.

Part 2 – “Be careful not to upset your stomach by sleeping with the fan switched on!” Gintoki goes all over town trying to find an electric fan replacement during a heatwave.