Kaley Cuoco revealed to AOL that she's been taking Polaroids behind the scenes on " The Big Bang Theory" since season one. The photos show the cast, guest stars, creator Chuck Lorre, and even Cuoco's now-husband visiting the show for the first time. "Big Bang" fans will also recognize behind-the-scenes snaps of some of the show's funniest moments. Visit INSIDER's homepage for more stories. The end of "The Big Bang Theory" is quickly approaching.