watch 01:32 The Loop (TV) Do you like this video? Any extra-terrestrial life forms that appear in the series real or imagined. Jeff Jingle as Alien #1 Mark Maitre as Alien #2 Michael Shawn McCracken as Gorn in" The Apology Insufficiency" who haunts Sheldon in his dreams. Aliens watching Sheldon's intergalactic message. Retrieved from "https://bigbangtheory.fandom.com/wiki/Aliens?oldid=268987" Categories: Cast Aliens The Big Bang Theory Articles Without Photos One-episode appearance Voice Actors Community content is available under CC-BY-SA unless otherwise noted.