The full Nightflyers trailer has landed SYFY has released the full first trailer for Nightflyers, the horror sci-fi series based on George R.R. Martin’s (Game of Thrones) novella. Check out the Nightflyers trailer in the player below! RELATED: Syfy Reveals First Look at George R.R. Martin’s Nightflyers Gretchen Mol (Boardwalk Empire) stars as Dr.