Aliens pretend to be humans on a train

When decorated soldier Captain Colter Stevens wakes up in the body of an unknown man, he discovers he's part of a mission to find the bomber of a Chicago commuter train.

Directed by Paul Fletcher

A research team in Antarctica is hunted by a shape-shifting alien that assumes the appearance of its victims.

When paleontologist Kate Lloyd travels to an isolated outpost in Antarctica for the expedition of a lifetime, she joins an international team that unearths a remarkable discovery. Their elation quickly turns to fear as they realize that their experiment has freed a mysterious being from its frozen prison. Paranoia spreads like an epidemic as a creature that can mimic anything it touches will pit human against human as it tries to survive and flourish in this spine-tingling thriller.

A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.

The residents of San Francisco are becoming drone-like shadows of their former selves, and as the phenomenon spreads, two Department of Health workers uncover the horrifying truth.