Gintama - S1: Episode 14

Boys Have a Weird Ritual that Makes Them Think They Turn Into Men When They Touch Frogs! / You Only Gotta Wash Under Your Armpits - Just the Armpits

Part 1 – “There’s a weird rule guys have that touching a frog means coming of age”

The Shinsengumi is asked to protect an amanto alien official.

Part 2- “You just have to wash your armpits. Yes, just your armpits.”

Kagura meets a princess who’s sneaked out from the castle.