Syfy tells us:
The hallways are very narrow so they can only travel through the tight quarters one in front of the other. They finally reach a room where they can simply listen to what’s around them. Noises start to come from one direction but then they start to hear them from all angles. Is the intruder on the same floor?Will Barry and Kris seek out the noises or run for the door? I think we know the answer to that one. Tune in to watch the entire episode on Wednesday at 9/8c, only on Syfy.