My Bald Dad, My Light-Haired Dad, and My Dad's Glasses
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 09/10/2017EP 2 - My Bald Dad, My Light-Haired Dad, and My Dad's Glasses

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.