Even though it's nowhere near the night before Christmas, the boys spring into action, tear open the shutters, and throw up the sash in an effort to look into Window Areas. 

Late in the episode, I do believe that those in the recording session could actually smell Jim's pea-brain frying as he attempted to perform aeronautical speed and distance calculations.

So, heave a leg over the sill, but mind your muddy boots on the curtains as you do so, and journey with us through the mysterious portals known as Window Areas.

Strange Creatures from Time and Space by John Keel