The Big Bang Theory

'Big Bang Theory' Cast Shares NSFW Behind-the-Scenes Secrets on 'Late Show' Following Series Finale

'Big Bang Theory' Cast Shares NSFW Behind-the-Scenes Secrets on 'Late Show' Following Series Finale

The main stars of the beloved sitcom sat down with Stephen Colbert hours after their long-running series aired its final episode.

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'Big Bang Theory' Series Finale: Kaley Cuoco Reacts to Penny & Leonard's Baby Bombshell (Exclusive)

'Big Bang Theory' Series Finale: Kaley Cuoco Reacts to Penny & Leonard's Baby Bombshell (Exclusive)

ET is breaking down the 'Big Bang Theory' series finale and star Kaley Cuoco is spilling on Penny and Leonard's new "beginning."

'Big Bang Theory' Cast Emotionally Celebrates Series Finale With Touching Tributes and Throwback Pics

'Big Bang Theory' Cast Emotionally Celebrates Series Finale With Touching Tributes and Throwback Pics

The main stars of the long-running sitcom commemorated the end of an era with heartfelt posts on Instagram.

Sarah Michelle Gellar Guest Stars in 'Big Bang Theory' Series Finale: How This Surprise Happened! (Exclusive)

Sarah Michelle Gellar Guest Stars in 'Big Bang Theory' Series Finale: How This Surprise Happened! (Exclusive)

“Is that Buffy the vampire slayer?!” Why yes, Sheldon Cooper. Yes, it is.

'Big Bang Theory' Series Finale: Breaking Down the Biggest Plot Twists With Inside Secrets! (Exclusive)

'Big Bang Theory' Series Finale: The Biggest Plot Twists and Inside Secrets!

Sheldon would recommend a hot beverage to cheer you up -- but we're going to spill the behind-the-scenes tea instead!

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Watch 'The Big Bang Theory' Cast Ask Each Other Burning Questions

Watch 'The Big Bang Theory' Cast Ask Each Other Burning Questions

'The Big Bang Theory' hour-long finale airs Thursday, May 16 at 8 p.m. ET/PT on CBS.

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When We First Met 'The Big Bang Theory' Cast

When We First Met 'The Big Bang Theory' Cast

'The Big Bang Theory' hour-long finale airs Thursday, May 16 at 8 p.m. ET/PT on CBS.

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'The Big Bang Theory' Set Secrets: Relationships, Original Title and More!

'The Big Bang Theory' Set Secrets: Relationships, Original Title and More!

'The Big Bang Theory' hour-long finale airs Thursday, May 16 at 8 p.m. ET/PT on CBS.

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'The Big Bang Theory': Watch the Bloopers!

'The Big Bang Theory': Watch the Bloopers!

'The Big Bang Theory' hour-long finale airs Thursday, May 16 at 8 p.m. ET/PT on CBS.

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'Big Bang' Cast to Make a Reported $10 Million a Year in Residuals

'Big Bang' Cast to Make a Reported $10 Million a Year in Residuals

'The Big Bang Theory' hour-long finale airs Thursday, May 16 at 8 p.m. ET/PT on CBS.

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'The Big Bang Theory': Epic Celebrity Cameos Through the Years

'The Big Bang Theory': Epic Celebrity Cameos Through the Years

'The Big Bang Theory' hour-long finale airs Thursday, May 16 at 8 p.m. ET/PT on CBS.

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'The Big Bang Theory': ET's First Time on Set With Kaley Cuoco (Flashback)

'The Big Bang Theory': ET's First Time on Set With Kaley Cuoco (Flashback)

'The Big Bang Theory' hour-long finale airs Thursday, May 16 at 8 p.m. ET/PT on CBS.

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'The Big Bang Theory': What to Expect From the Final Episode

'The Big Bang Theory': What to Expect From the Final Episode

'The Big Bang Theory' hour-long finale airs Thursday, May 16 at 8 p.m. ET/PT on CBS.

'Big Bang Theory' Series Finale: 7 Secrets to Know Before Watching the Last Episode! (Exclusive)

'Big Bang Theory' Series Finale: 7 Secrets to Know Before Watching the Last Episode! (Exclusive)

Grab some Chinese food, invite your friends over and snag 'your spot' on the couch – we're just days away from the series finale!

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