The Strongest Sword, and the Dullest Sword
Consists of episodes animated from unused manga chapters, before returning to the Silver Soul Arc on January 8, 2018. Porori is an Onomatopoeia for something (mainly water) falling.
Aired 20/11/2017EP 8 - The Strongest Sword, and the Dullest Sword

2017
Gintama.: Slip Arc
Consists of episodes animated from unused manga chapters, before returning to the Silver Soul Arc on January 8, 2018. Porori is an Onomatopoeia for something (mainly water) falling.