According to the anime’s official Twitter account, Sorachi Hideaki’s Gintama will be getting a new TV anime season!
— アニメ銀魂 (@gintamamovie) September 26, 2016
Gintama was animated by Sunrise. The last episode was broadcast in March 30, 2016 after 316 episodes and two movies.
It’s a little too early for details, but be sure that Manga.Tokyo will let you know as soon as we have them.