'Big Bang Theory' Behind-the-Scenes Details You Never Knew, Including the Actor Who Hooked Up in Their Dressing Room & the A-List Star Who Turned Down a Role

You might have watched The Big Bang Theory more times than you can count, but you still don’t know everything about the show!

For instance, did you know that Sandra Bullock was supposed to appear on the show? Her role went to another very popular actor after her team sent a “polite decline” to the offer for a simple reason.

Revolving around Jim Parsons, Kaley Cuoco, Johnny Galecki, Simon Helberg and Kunal Nayyar, so much happened onscreen, but it turns out that just as much was going on when fans weren’t watching.