Weird Secrets Of The Big Bang Theory Cast That Shook Us To The Core

Like comfort food for the brain, nerdy sitcom The Big Bang Theory topped the ratings for 12 seasons. But it wasn't always fun and games behind the scenes. Here's a look at the sometimes salacious and often amusing off-stage antics from the cast of the late, great Big Bang Theory.

By the end of its 12-year run, the writers on The Big Bang Theory stopped messing around, and permanently coupled up the neighbors-turned-friends-turned-spouses Leonard and Penny. During the early years of the show, Leonard and Penny's relationship was more complicated than Ross and Rachel's on Friends.

Meanwhile, off the set, things were far more concrete for actors Johnny Galecki and Kaley Cuoco.

In 2010, well after their amicable split, Cuoco told CBS Watch that she'd dated her TV love interest for nearly two years in a completely secret relationship.

While maintaining privacy within a romance is something many celebs strive for, Cuoco also said that the couple couldn't go out in public together without drawing attention to their relationship - so they never did. As she put it,

"Everyone was always asking, and we deny-deny-denied. And I'm like, 'Why am I denying this person that I love?'"

Galecki later gave his side of the story to CBS Watch, saying, quote, "Kaley's not just an ex, she's a part of my life." And for now, at least, that's all he'll say about the subject. He said,

"I just don't like to speak about it. And not because I'm trying to be enigmatic; I just worry that it will conflict with people's acceptance of Leonard and Penny."

Watch the video for more Weird Secrets Of The Big Bang Theory Cast That Shook Us To The Core!

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Behind-the-scenes romance | 0:15
Another set romance | 1:18
Not here to play games | 2:15
Failure to launch | 2:59
Melissa Rauch gets raunchy | 3:58
Whirlwind romance... and divorce | 4:54
Another unique marriage | 5:51
Some Big Bang stars got big banged up | 6:335
A big bang editorial | 7:47
Space… The lonely frontier | 8:58

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