Intruders is a creepy new sci-fi thriller premiering on BBC America this Saturday (10/9C), following the season eight premiere of Doctor Who. It takes a couple of cool ideas immortality and body snatchers and works them into something dark and twisted. It also introduces the newest creepiest little girl in the world. So there’s that.

Follow the jump to check out a new two-minute teaser of Intruders.

Photo courtesy of BBC America