Okay, there's no denying that the plot makes little (if any) sense....I mean, how in the world could you remove the expedition by thirds until finally you come down to zero?! But I love it anyway, because it's so damn creepy and eerie! Granted, you could say that a good part of the reason for that is because--like when Glenn Close lunges at Michael Douglas from the bottom of the bathtub in Fatal Attraction--it's palpably impossible. But no matter, I don't care...the die is cast...this is one submission that definitely meets with my approval! Exquisitely well-filmed, -acted and -directed. Also you gotta love that Serling actually says: "...someone...or some thing..." lol Oh well, maybe that wasn't as corny back in 1960.