Nightcrawler Creatures Caught On Tape

You know, and I really, really hate that this is evident, but it definitely could have been cgi. It could have been remarkably simple: just form a wishbone model with no texture and make a gray line for shadow. Over multiple layers of screen recording, blurring and compression, it becomes impossible for even the most basic of cgi to be indistinguishable from reality.

i remember fact or faked doing a episode on this