In the series finale of "Young Sheldon" — the first major spin-off of "The Big Bang Theory" that wonders "what if Sheldon, but young?" — we see the on-screen return of "old Sheldon" as played ...

The hilariously nerdy world of The Big Bang Theory truly grasps the viewers’ attention right from the very start. However, The Big Bang Theory has 12 seasons, and each season has several episodes.

Here are five intriguing behind-the-scenes facts about The Big Bang Theory. It's hard to imagine anyone else playing Sheldon ...

The unsaid rule surrounding The Big Bang Theory's Raj Koothrappali, whom even Sheldon refrained from mocking throughout the ...

Leonard Hofstadter was never the flashiest guy in the room but he still managed to rattle Penny more than once in The Big Bang Theory.

Despite being a pretty wholesome show, The Big Bang Theory's 12-season run features its fair share of controversial episodes.

The Sheldon & Penny Kiss You Never Expected To See On The Big Bang Theory (Photo Credit – YouTube) Wait, Sheldon and Penny?! Yep, you read that right. Season 9, Episode 2 of The Big Bang Theory aka.

So, here’s how much salary The Big Bang Theory characters were actually earning: ...

Kaley Cuoco was well aware of her character's connection with Leonard in The Big Bang Theory long before it unfolded on the ...