Adult Swim has announced that Genndy Tartakovsky's celebrated animated series Samurai Jack will be returning to Cartoon Network in 2016. This would be 12 years after the fourth season's finale, which was presumed at the time to be the show's end. Tartovsky has been confirmed as participating in this continuation, but it's unknown of what capacity he will fill.
Take a look at this teaser video:
#SamuraiJack returns. 2016.Posted by Adult Swim on Wednesday, December 2, 2015
Samurai Jack season 5 is scheduled to begin some time in 2016.