Genndy Tartakovsky’s Primal is back. And it still kicks ass. The animated Cartoon Network series, which just picked up a handful of Primetime Emmy awards, returns to the Adult Swim programming block this Sunday night. The wordless series, set in a fantastical version of the primordial past, features the ongoing adventures of brutish caveman Spear and his dinosaur companion Fang. (At the end of the first five episodes, which aired last year, Fang was mortally wounded, which is resolved in the first episode of this new batch.) After the initial 10 episodes is completed this year, get ready for …