An Idol's Badge of Honor
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 11/12/2017EP 11 - An Idol's Badge of Honor

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.