This show for me has been of one anime that has a lot parody from other animes. Also it has made me laugh soo many times. If you like crude/sarcastic humor and have a laugh. I recommend this anime.
Here is the about in Crunchyroll: In a world where aliens have invaded Edo Period Japan, skyscrapers, trains and motor bikes have replaced the simple life of Earth inhabitants. One man however, still carries the soul of a samurai, Gintoki Sakata, otherwise known as Yorozuya Gin-san. As reckless as he is, Gintoki carries his own resolve and is ready to take on any challenge with his fellow companions.
My favorite character for me is Kagura. heart
Here is the opening;
