“The Big Bang Theory” is a sitcom that delighted us for 12 long seasons. The CBS sitcom centers around the lives of Leonard, Sheldon, Howard and Raj, four socially awkward men who strike a friendship with Leonard & Sheldon’s new neighbor, Penny. Over time, they also meet Amy and Bernadette who eventually become part of the gang. Portraying these characters are the show’s talented group of cast members, which include Johnny Galecki (Leonard), Jim Parsons (Sheldon), Kaley Cuoco (Penny), Kunal Nayyar (Raj), Simon Helberg (Howard), Melissa Rauch (Bernadette), and Mayim Bialik (Amy).

When a show is doing so well, you never really expect it to end its run. But that is precisely what the show did after it aired its final episode in May 2019. And while the finale was wholly satisfying, it still left a number of unanswered questions:

13 Will Howard Ever Find His Dad?

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Even today, not much is known about Howard’s dad. As you know, Howard was raised solely by his mother, Debbie, since Mr. Wolowitz abandoned them when Howard was still young. And when Debbie passed away, Howard’s father managed to sign off the family home to Howard without showing up. So now, we wonder if the two men would ever meet.

12 Will Stewart And Denise Take Their Relationship To The Next Level?

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Towards the end of the show, Stewart and Denise took a bold step forward in their relationship and decided to move in together. Months or years from now, we wonder if the two would ever tie the knot. Wouldn’t be cool to see them having kids and running the comic bookstore together?

11 Will Howard And Bernadette Make Changes To Their Living Arrangement?

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For busy parents like Bernadette and Howard, home life can often be stressful, especially when you don’t have regular help around. If you can recall, Bernadette even mulled about the idea of being a stay-at-home mom. Now, it remains to be seen if she would consider trying this arrangement or if Howard would become a stay-at-home dad.

10 Will Howard Ever Earn A Doctorate?

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There are a lot of geniuses in this gang. Sheldon is a theoretical physicist. Leonard is an experimental physicist, Raj is an astrophysicist, Howard is an aerospace engineer, Amy is a neurobiologist, and Bernadette is a microbiologist. Among all of them, Howard is the only one who doesn’t have a Ph.D. And as the show ended, it was left unclear if he would pursue the degree.

9 Will Raj Ever Find Love?

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Over the years, we’ve seen Raj evolve from a very shy man to someone who is capable of showing affection. However, he remained single when the show ended. If you ask Nayyar though, it seems he doesn’t mind. He once told Cinema Blend, “I enjoy it. I enjoy being the single guy. Seriously, it's really fun. You get to explore different aspects, have many potential guest stars you know?”

Related: 20 Things We Just Learned About Kaley Cuoco’s Time On Big Bang Theory

8 Will Beverly Ever Become More Appreciative Of Her Son?

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Over the years, we’ve seen some of the character’s mothers interact with the gang. These primarily include Sheldon’s mother, Mary, and Leonard’s mother, Beverly. Meanwhile, we learned that Beverly and Leonard have a rather distant relationship. In fact, Beverly seem to enjoy catching up with Sheldon more. We wonder if Beverly would ever try to bond with her son more in the future.

7 At What Point Did Penny Change Her Mind About Pregnancy?

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One of the biggest reveals in the finale is Penny’s pregnancy. What’s more, this story arc struck fans as odd since Penny was once vocal about not wanting to have babies. Of this plot twist, the show’s showrunner, Steve Molaro, told TV Insider, “The fact that they have had these stories about Penny not being sure, not wanting kids, made it land a bigger surprise in the finale.”

6 How Will Leonard And Penny Cope With Parenthood?

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Ever since it was revealed that Penny and Leonard were expecting, fans have wondered how the two would cope with parenthood. Sadly, we won’t get to see that part of these characters’ lives. However, we can just imagine that they would both be loving parents. Meanwhile, we’re curious to find out if they’re having a boy or a girl.

5 What Is Penny’s Last Name?

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Ever since the show started, nobody knew what Penny’s last name was. Fans thought it would be revealed in the finale, but this did not happen. Of the decision never to reveal her character’s maiden name, Cuoco told TVLine, “I kind of love it. So many things are revealed in the last few episodes; you get a lot of satisfying moments. But I kind of love that [we’ll never know her last name].”

Related: The 7 Worst Roles On Kaley Cuoco’s IMDb Page (And 8 Best)

4 Will Penny Try To Pursue Acting Again?

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As you may recall, Penny was portrayed as an aspiring actress throughout the earlier seasons of the show. During this time, she also took on a waitress job to make ends meet. However, Penny would still end up broke at times, and because things didn’t work out the first time around, we’re wondering if Penny would ever consider pursuing an acting career again.

Related: 20 Behind The Scenes Pics Of The Big Bang Theory Cast Having Fun

3 Will Amy And Sheldon Have Kids?

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Amy and Sheldon’s relationship has certainly evolved over the years. Now that the two have tied the knot, we’re curious to find out if the two are planning to have children anytime soon. We understand that they both lead really busy lives, but it would be cute if they could produce a bunch of little geniuses.

2 What Happens To Amy And Sheldon After Winning The Nobel Prize?

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As you may recall, Amy and Sheldon ended up winning the Nobel Prize for their work in physics, which tackles super asymmetry. Without a doubt, that is a career highlight for both. And so we have to wonder what’s next for these two. Will they try to win another Nobel Prize in the future?

1 Will Sheldon’s Character Continue To Evolve?

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Over the years, we’ve seen Sheldon evolve in terms of his interactions with his friends and everyone else he meets. Indeed, this transformation also helped him pursue a relationship with Amy. And now that the show is over, we can only hope that Sheldon’s character will keep improving. Maybe he can become even less socially awkward.

Next: 20 TV Shows To Watch If You Miss The Big Bang Theory