The good thing about “Teacup,” a too-long supernatural thriller streaming on Peacock, is that for much of the time, you genuinely don’t know how things are going to play out. The bad thing is that most of the time you don’t really care. The eight ...

Based on the novel “Stinger” by Robert R. McCammon and adapted for television by Ian McCulloch, Peacock’s new horror series, “Teacup” begins as a fascinating and frightful narrative before descending into science-fiction madness that fails to stick to the landing.

Yvonne Strahovski, Scott Speedman and Chaske Spencer star in this eight-episode adaptation of Robert McCammon's novel about several families facing an unknowable evil force.

Produced by James Wan ("The Conjuring"), the Peacock horror series "Teacup" centers on Georgia neighbors forced to deal with a mysterious threat.