It shifts from pure gags to a more serious tone, focusing on Gintoki’s willingness to protect Shinpachi and Kagura despite his own injuries.

“I really enjoyed the more serious tone of this episode and the lengths Gintoki went to to protect Shinpachi and Kagura despite his injuries.” Reddit · r/watchinganime · 10 years ago

It moves the plot forward by introducing the Harusame, an Amanto drug-smuggling syndicate that remains relevant throughout the entire series. Perspectives from the Community

[Spoilers] /r/Anime weekly Gintama: Episodes 13-18 Discussion