By Joey Fameli on July 13, 2015

Every year, Adam Savage walks the floor of Comic-Con incognito, hidden in plain sight. This year, he's mixing things up with a joint-incognito walk with special guest Astronaut Chris Hadfield! Appropriately, Adam and Commander Hadfield cosplay as 2001: A Space Odyssey astronauts, complete with working active water-cooling systems in their spacesuits. And on the show floor, they unexpectedly run into a mutual friend...