It got revealed in a trademark a while back, but Adult Swim officially announced today that they've ordered a new show from Genndy Tartakovsky called Primal and is slated for premiere this fall.
deadline.com
Primal features a caveman at the dawn of evolution. A dinosaur on the brink of extinction. Bonded by tragedy, this unlikely friendship becomes the only hope of survival in a violent, primordial world.

Adult Swim Orders Genndy Tartakovsky Animated Series ‘Primal’
Adult Swim has ordered Primal, a half-hour animated series from Samurai Jack and Dexter’s Laboratory creator Genndy Tartakovsky, for premiere this fall. Primal features a caveman at the dawn …
