Trick 'r Treat (2010) for $4.99

Trick 'r Treat, directed by Michael Dougherty of Superman Returns fame, has a comic book feel but does a nice job of conveying the real things that can spook kids, making for a good Halloween thriller. Composed of four intertwined stories that unfold simultaneously, starting on the same block in Ohio, Trick 'r Treat initially bears some resemblance to John Carpenter's Halloween, in that it focuses on terrors experienced by teens and young, costumed children.