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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…

Celebrity couples can meet anywhere. However, the public is always particularly interested when they fall in love on the set of a project that they are co-starring in.

An A-list singer is the latest celeb to be linked to a co-star, and they’ve reportedly been together for a while now.

While they are one of the newest celebrity couple to date and work together, they are far from the first. Young adult franchises such as High School Musical and Twilight helped bring about some of the most iconic celebrity couples of the mid-to-late aughts in Vanessa Hudgens and Zac Efron and Robert Pattinson and Kristen Stewart.

Meanwhile, movies like Mr. & Mrs. Smith and superhero blockbusters such as The Amazing Spider-Man also led to offscreen romances for Angelina Jolie and Brad Pitt and Andrew Garfield and Emma Stone.

Of course, some of these relationships don’t work out in the long haul. However, others do. Take Jennifer Lopez and Gigli co-star Ben Affleck – who rekindled their love years later and married in 2022 – as an example.

We put together a list of more than 30 celebrity couples that worked together and recapped if their love is still burning strong today.

Click inside to check out a list of celebrity couples that worked together on projects…

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…

Kaley Cuoco and Johnny Galecki played a couple on screen for The Big Bang Theory, and it likely came easy for them, since they were secretly dating in real life.

The duo started going out in 2008 before going their separate ways in 2010. However, they kept their relationship largely under wraps.

They explained why during a recent interview.

Click inside to find out why the couple kept their romance private…

Kunal Nayyar is revealing some behind-the-scenes details about working on the set of The Big Bang Theory.

The actor, who played Raj Koothrappali, spoke about his experience on the show in an interview on Sunday Brunch, via The Independent.

Click inside to read more…More Here! »

Kaley Cuoco accidentally seemed to imply that each of her ex boyfriends contributed to making her life “boring” before she met her current husband, Karl Cook.

Kaley has famously dated some big names like her former Big Bang Theory co-star Johnny Galecki and Henry Cavill (for two weeks!)

In her Valentine’s Day message to her hubby, Kaley wrote, “Happy 5 years to the weirdest person I know! 🤣♥️ I don’t remember a moment before you entered my life.. what a boring life that must have been! I love you @mrtankcook !♥️♥️♥️”

Johnny saw the post, and reacted. Kaley then responded to his reaction.

Click inside to see how Johnny Galecki responded to Kaley Cuoco’s bold statement…More Here! »