30 Horror TV Shows That Will Freak You the Hell Out

Guillermo del Toro and Carlton Cuse developed this gruesome drama for FX; it begins when a CDC agent (Corey Stoll) is called to investigate a plane full of dead passengers. It only gets creepier from there. A word of warning: The Strain is one of the goriest shows on TV (in a good way), so it's definitely not for the faint-hearted.

Scare factor: 😱 😱 😱 😱