Gintoki Sakata is a lazy samurai living in an alien-ridden Japan where samurai are no longer needed. This OVA is a set of short comedy stories involving Gintoki and his equally-broke sidekicks Shinpachi and Kagura. One day, Gintoki and his comrades are out viewing the spring flowers when suddenly the Shinsengumi appear, arguing that Gintoki has taken their flower-viewing spot. Gintoki's team and the Shinsengumi must then battle for the right to sit in that spot by using a violent version of rock paper scissors.

This episode shows various scenes from the war between samurais and the Amanto, focusing on Gintoki's fights alongside Kotaro Katsura, Shinsuke Takasugi and others. In the end, the episode is revealed to be a trailer from a film, which was in fact fake.

Some of the characters get together and talk about "regrets" they have after 4 years of anime Gintama. Soon they fight over who gets more screen time. Special of the Gintama Harumatsuri live event.

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Odd jobs wake up to find a (not so) familiar spirit, who tries to explain the importance of having special moves.

This special celebrates 10 years of the Gintama anime and provides a preview of the upcoming Shogun Assassination Arc.

Tsukuyo and co are caught up in a conspiracy involving an underground drug that causes people to fall in love with the first person they see.

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Collaboration anime between Gintama and Monster Strike.

Collaboration anime between Gintama and Monster Strike.

This special celebrates 10 years of the Gintama anime and provides a preview of the upcoming Shogun Assassination Arc.