The kind of humor in 'Gintama' that really disarms me isn't the slapstick, but the moments where the characters deliver absolute nonsense with total sincerity. Like when Katsura shows up and, with the gravitas of a revolutionary leader, declares, "Zura janai, Katsura da." It's not even a joke in the traditional sense; it's a statement of identity that's been turned into a running gag so perfectly stupid it loops back to genius. It works because the show treats this absurd correction with the same weight as a profound character revelation.
Then there's Gintoki's whole philosophy on life, which is basically advanced procrastination wrapped in shounen protagonist tropes. He'll be fighting some universe-ending threat and mutter, "I'm not doing this for the world or anything. I just have a sugar rush and need to work it off." It cuts through any potential pretension and grounds everything in this lazy, relatable pragmatism. The show constantly uses these quotes to undercut its own drama, which is why it never feels heavy even when the stakes are high. That balance is the real comedic magic.
Honestly, I find the quieter, conversational jokes hit harder on a bad day. Like when Kagura, in the middle of a crisis, just says, "I'm hungry. Let's go get parfaits after we save the world." It's such a childlike, immediate prioritization that completely reframes the moment.