Gintoki gets caught up in a syndicate's plot to use the machine. In true Gintama fashion, he ends up destroying the massive cat-shaped machine after realizing it isn't an actual fan.
This episode is unique because it also features a notable bonus segment involving a "Kappa" of the lake. The Yorozuya crew encounters an Amanto that resembles a mythical kappa, leading to several fourth-wall-breaking gints about legend-making and strange fish. Gintama Episode 21
Gintoki discovers that fans (senpuki) are considered obsolete technology in the alien-influenced Edo. He eventually finds a suspicious recycle shop run by a woman who misinterprets his request. Gintoki gets caught up in a syndicate's plot
The Yorozuya office is unbearable due to a massive heatwave. After Gintoki and Kagura fight over their only electric fan and break it, Gintoki heads out to buy a replacement. The Yorozuya crew encounters an Amanto that resembles
Gintama Episode 21, titled is a classic comedy episode that revolves around a heatwave in Edo and a desperate quest for an electric fan. Episode Summary