10) The Wii, PSP, PS3, Xbox and Obama get cameos in feudal japan
09) Girls (namely Kagura)in the anime are crazy strong and hilarious.
08) Dramatic Fried Rice cooking.
07) Hijikata Toushirou Vice commander of the Shinsengumi police force has a weird addiction to mayo, has the spirit of a otaku living inside him and is voiced by the guy who voices Rorana Zoro of One Piece.
06) Random comedy will have you failing off chairs laughing and turning away in disgust. Gintama has the screams and comedy of any anime I have watched in my long life..
05)The only anime that can do 2 episodes based on guys taking a dump in bathroom stalls and are too scared to ask each other for toilet paper and of grow men throwing poop.
04) Shinsengumi - Bad ass police force did a episode dedicated to the SAW movie.
03) When the fighting arc start.. Gintama is actually a Bad Ass fighter.
02) The named a poop throwing monkey....
Full name of monkey:
Jugem-Jugem Shit-Tossing The Life Of Shin-chan's Two-Day-Old Underwear Balmung Fezalion Isaac Schneider 1/3True Love 2/3 Hangnail Anxiety Betreyal Knows My Name Or Does It Really Ignore Calls Squid Dogfish Halibut Trout-Cod Dogfish This Is a Different Dogfish,I'm Talking About The Dogfish Shark Kaluga Angler Ray Yuuteimiyaoukimukou Pepepepepepepepepepepepe All's Well That Ends Well Runny Diarrhea
01) Gintama dressed up as Jason and argued that he was not Jason... but his own character named Jackson.
And this is why I LOVE GINTAMA !!