The episodes from the anime television series Gintama.
Porori-hen (銀魂．ポろリ編) are based on the Gin Tama manga by Hideaki Sorachi.
anime series which aired and ended in 2017.
The opening theme is "VS" by BLUE ENCOUNT and the ending theme is "Hankou Seimei" (反抗声明) by Ayumikurikamaki.
Hasegawa has a life-or-death encounter with assassins.