10 Frightening Horror Movies You Should Watch Right Now on HBO Go

'Silence of the Lambs' (1991)

Hannibal Lecter and Pennywise are here to satisfy all your scary movie needs, just in time for Halloween. Stream these frightfests at your own risk. And please watch with the lights on.

'Alien: Director's Cut' (1979)

The director's cut of Ridley Scott's visionary film is actually slightly shorter than the theatrical version, but includes the restored footage in which Ripley discovers the cocooned Dallas and Brett during her escape from the Nostromo.

'Silence of the Lambs' (1991)

Anthony Hopkins as Hannibal Lecter is one of the best, most haunting screen villains of all time. The movie rightly swept the 1992 Oscars.

'It' (2017)

'The Descent' (2006)

When a spelunking trip with friends turns into a gruesome slaughter, one woman ends up fighting for her life in a sea of blood in this bone-chilling indie.

'The Omen' (1976)

In this still chilling '70s classic, after a series of disturbing events, a couple discover their sweet little boy is actually the Antichrist.

'Final Destination' (2000)

"Who's next?" One by one, death stalks teens who narrowly escaped a fiery plane crash in this endlessly rewatchable first film in the franchise.

'The Belko Experiment' (2016)

Office workers at a remote building are sealed off and ordered to kill each other -- or else they all die -- in this James Gunn-penned mash-up of "Office Space" and "Battle Royale."

'Orphan' (2009)

A couple soon has cause to regret adopting nine-year-old Esther, who's not at all what she seems. Jaume Collet-Serra ("The Shallows" directs.)

'Ouija: Origin of Evil' (2016)

In this Mike Flanagan-directed sequel to "Ouija," a 9-year-old becomes possessed after her mom begins using the spirit board. It doesn't end well, obviously.