Here are 26 reasonsTBBTremains the most popular comedy on TV.

If its funny, its a Bazinga, reads the display.

Our job is not to explain science.

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Its kind of the opposite.

We might mention science for five seconds.

My hope is that people will Google it to learn more.

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But even coming up with those five seconds can be a challenge.

“For 12 years its been my fear of making mistakes, Saltzberg admits.

Its a constant emotion.

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And it was particularly stressful to craft fill-in-the-blank physics whenever Stephen Hawking was a guest star.

They sent my ideas to Stephen without my knowing.

I was really afraid he would read it and say, Well, this is just nonsense.

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I cant be a part of the show, Saltzberg remembers.

Luckily he didnt do that.

We know what we are driving towards and where we want to land.

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For now, though, Holland is keeping any repair plans if they even exist to himself.

Weve got to justify it in the writing somehow.

Goodbye guy

It wasParsons who set into motion the plan to endthe show after season 12.

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Since there is no comedy without Sheldon, the decision was made to wrap the show in the spring.

It just felt that it was time,Parsons tells EW.

It speaks to a lot of things, none of them bad.

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There is no negative reason to stop doingBig Bang.

There are good reasons.

But it feels like we chewed all of the meat off this bone.

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At a personal level, it feels like the right time of life.

Im firmly in my middle age now.

Professor Proton, a former childrens science show host.

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These characters stay in you, whether you want them to or not, says Galecki.

When it comes to

Leonard, Im very happy about that.

Moms

Viewers and Emmy voters approved when the show started introducing moms.

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Both Metcalf and Baranski have received Emmy nominations for their recurring roles.

There wasnt a lot of intelligence applied to the world in general, remembers Prady.

This character has changed my life, and this show has changed my life.

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I will never forget it.

The series currently averages 17.4 million viewers.

I cant say its made me smarter.

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If anything, Ive helped him to be a better person.

Ill just say, Ill see you around, Sheldon.

You are on syndicated repeats on TV all the damn time so I cant avoid you.

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And thats not fake grub theyre eating, insists Galecki.

And its really good, sometimes distractingly good.

He puts a lot of effort into that stuff.

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Thirty-five students have benefited from the program so far.

It goes where youd expect from there.

A trailer for this tour de force can still be found on YouTube.

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Zero

Thats the number of times viewers have actually heard Pennys maiden name.

Shes a Hofstadter now anyway.

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