Alien
With the latest films in the Alien franchise dividing fans, perhaps now would be a good time for the franchise to make the leap to television. The Alien universe encompasses hundreds of years, and as such means that there’s ample room to be creative as to what era to set a series in, though using Aliens as a foundation seems to be a sensible choice.
You could easily create a series around the Colonial Marines, following a squad of soldiers as they find themselves fighting against the xenomorphs. This could be done in a similar way to the old Colonial Marines comics, where they’re sent to a number of worlds to fight alien threats.
I think in regards to all the crappy doctor shows in TV, a good Re-Animator horror show would be pretty awesome.