Gintama. Porori-hen - episode 12 - 17 Dec, 2017

In the first half, Gintoki decides that as protagonist, he can't sit and do nothing as a Gintama game is released. He takes matters into his own hands as Odd Jobs looks to produce a superhit. In the second, Shinpachi buys a new pair of glasses that get him rather high spirits... (Source: Crunchyroll)