Fall TV is back! You may have already decided whether you're watching the Batman prequel show Gotham or the immortal medical examiner Forever, but what's up with supergenius show Scorpion? Plus, info on the season premieres of Sleepy Hollow, Agents of S.H.I.E.L.D., Person of Interest, and a frozen Once Upon a Time!

This week, Syfy debuts its new zombie show Z Nation, set three years into the apocalypse, and brings back Haven with a new Audrey personality and a new set of Troubles. Plus, Teen Wolf gets ready to end its season—but who will survive? Get all the details below!