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\t\t<\/p>\n We bet that there\u2019s still a lot that you don\u2019t know about The Big Bang Theory<\/strong><\/a><\/em> no matter how often you binge the hit series. <\/p>\n For instance, did you know that Sandra Bullock<\/strong><\/a> was supposed to appear on the show? Her role went to another very popular actor after her team sent a \u201cpolite decline\u201d to the offer for a simple reason.<\/p>\n Revolving around Jim Parsons<\/strong><\/a>, Kaley Cuoco<\/strong><\/a>, Johnny Galecki<\/strong><\/a>, Simon Helberg<\/strong><\/a> and Kunal Nayyar<\/strong><\/a>, so much happened onscreen, but it turns out that just as much was going on when fans weren\u2019t watching.<\/p>\n We did some digging and rustled up 12 facts about the show, including details about guest stars who turned down roles (that list includes a massive pop star), actors who were almost overlooked, onset romances, future plans for reboots and more. <\/p>\n One actor even admitted to using their dressing room for hooking up. Take a look and let us know what, if anything surprised you!<\/p>\n Scroll through the slideshow to check out 12 big secrets from the set of The Big Bang Theory\u2026<\/strong><\/em><\/p>\n <\/span><\/p>\n