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Running for 12 seasons across as many years, there’s no denying that The Big Bang Theory is a fan-favorite TV show that still has a dedicated following in 2023.

However, even the most adoring fans might not know all of the behind-the-scenes secrets from the beloved sitcom.

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.

We did some digging and rustled up 12 secrets from 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.

Take a look and let us know what, if anything surprised you!

Scroll through the slideshow to check out 12 big secrets from the set of The Big Bang Theory…

The Big Bang Theory will soon be celebrating its 16th anniversary!

The hit CBS sitcom starring Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, and Melissa Rauch first premiered on September 24, 2007.

Throughout the course of the show, The Big Bang Theory won tons of awards, including seven Critics’ Choice Awards, 14 People’s Choice Awards, and 10 Emmy Awards.

After 12 seasons, The Big Bang Theory came to an end in 2019.

In April 2023, HBO Max revealed that they are developing a new Big Bang Theory spinoff series!

The cast of the hit show has gone on to achieve incredible things in their own careers, and have amassed an impressive amount of money.

We’ve gathered all of the main cast members of The Big Bang Theory, and ranked them from lowest to highest estimated net worth.

If you didn’t know, The Big Bang Theory is available for streaming on HBO Max now!

Click through the slideshow to find out who the richest The Big Bang Theory cast member is…

The trailer for Natasha Lyonne‘s new series has been released!

Peacock recently debuted the trailer for the 43-year-old actress’ new comedic mystery series Poker Face, created, written, directed, and executive produced by Rian Johnson.

Here’s the synopsis: “Poker Face is a 10-episode mystery-of-the-week series following Natasha Lyonne’s Charlie, who has an extraordinary ability to determine when someone is lying. She hits the road with her Plymouth Barracuda and with every stop encounters a new cast of characters and strange crimes she can’t help but solve.”

Click inside to watch the trailer…More Here! »

Ever since Kaley Cuoco announced her big news, we’ve been wondering just what the other stars of The Big Bang Theory are doing now.

Kaley starred opposite Jim Parsons, Johnny Galecki, Melissa Rauch, Mayim Bialik, Simon Helberg, Kunal Nayyar and Kevin Sussman in the Chuck Lorre led series.

The Big Bang Theory, which ended in 2019, centered on friends Leonard, Sheldon, Raj and Howard, scientists who had a bit of trouble navigating social situations outside of the lab. But thanks to their next door neighbor Penny, they figure it out.

Click inside to see what the cast of The Big Bang Theory has been up to since the series ended…

Marion Cotillard hits the red carpet for the premiere of her new movie, Annette, held at Hollywood Forever on Wednesday evening (August 18) in Los Angeles.

The 45-year-old actress was joined by her co-stars, Devyn McDowell and Simon Helberg at the event.

Simon‘s wife Jocelyn Towne, as well as Maria Bakalova, Katherine McNamara, Jeffrey Bowyer-Chapman, Jess Wexler, and Ashley Bell were also seen at the premiere of the movie.

Anna Camp was also spotted at the event with boyfriend, Michael Johnson.

Annette centers on the relationship between Henry (Adam Driver), a stand-up comedian, and Ann (Cotillard), a world-renowned opera singer. Under the spotlight, they form a passionate and glamorous couple. The birth of their first child, Annette, a mysterious little girl with an exceptional destiny, will turn their lives upside down.

The film is set to hit Amazon Prime Video on Friday, August 20.

If you missed it, this pretty big musician was part of the original pitch for the movie!

FYI: Marion wore Chanel.

45+ pictures inside of Marion Cotillard, Simon Helberg and more stars at the Annette premiere…

Marion Cotillard stunned on the red carpet in a shiny silver dress for the opening ceremony of the 2021 Cannes Film Festival in Cannes, France on Tuesday (July 6).

The 45-year-old actress joined her co-stars for the event, which doubled as the premiere of their movie, Annette.

Click inside to see all the red carpet fashion from the opening ceremony!More Here! »

Following the emotional series finale of The Big Bang Theory on Thursday, the cast of the beloved CBS sitcom joined Stephen Colbert on The Late Show!

Kaley Cuoco, Johnny Galecki, Jim Parsons, Kunal Nayyar, Mayim Bialik, Melissa Rauch and Simon Helberg all hit the stage on Thursday night (May 16), where they dished on the show coming to an end, answered questions, and shared some secrets about their time on set over the last 12 years.

One of the funniest moments came when Colbert‘s questions came “from an anonymous member of the group, for the entire group.”

“Did anyone ever have sex in their dressing room?,” one cast member fessed up before both Cuoco and Nayyar pointed a finger at Galecki. “You must have,” Cuoco and Nayyar said as Galecki slowly raised his hand.

Jim also talked about how the writers were under enormous pressure as they worked on the series finale: “You can’t get it wrong, because it’s yours – you’ve been writing it all this time,” he said, then adding, “Think of it this way, you can’t get it right! Someone’s going to hate it. We’ll find out tomorrow.”

Click inside to watch the rest of The Big Bang Theory’s appearance on Late Show…More Here! »