The Line Between Godlike Games and Shitty Games Is Paper-Thin / Glasses Are a Part of the Soul
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 18/12/2017EP 12 - The Line Between Godlike Games and Shitty Games Is Paper-Thin / Glasses Are a Part of the Soul

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.