Mayim Bialik

"The Big Bang Theory" Is Officially 15 Years Old — Here Are 12 Side-By-Sides Of The Cast Then Vs. Now

The Big Bang Theory aired its first episode 15 years ago, and the cast has changed quite a lot since then.

Nora Dominick

Test Your Knowledge And See If You Ace These Relatively Easy "Final Jeopardy" Questions

Cue the thinking music.

Michele Bird

10 Famous Parents Who Don't Allow Their Kids To Watch Their Work

We have seen them on-screen, their children haven't.

Abha Ahad

CNN Analyst Laura Coates Revealed She Was "Told No" After Being Named By Alex Trebek As A Potential "Jeopardy" Host

"I certainly raised my hand and knocked on doors and found them closed."

Natalie Oganesyan

11 Celebrities Who Dropped Out Of College, And 11 Who Have Multiple Degrees

I was today years old when I found out Jake Gyllenhaal dropped out of Columbia.

Ajani Bazile-Dutes

Neil Patrick Harris Stopped Speaking To Mayim Bialik After She Refused To Give Him A Standing Ovation

"We didn't speak for a long time."

Natasha Jokic

Mayim Bialik Finally Broke Her Silence On Mike Richards' Exit From "Jeopardy"

"The complexity of these situations is not something that can be summed up easily."

Alex Gurley

Fans React To Rumors About Harry Styles And Olivia Wilde

Plus, the new season of "The Bachelor" is off to a dramatic start, "Blossom" turned 30, Arnold Schwarzenegger called Chris Pratt by the wrong name, and fans are on the edge of their seats waiting for "This Is Us."

The Buzz on Twitter

These Before And After Pics Of "The Big Bang Theory" Cast Show Just How Much Has Changed On The Series

12 years later...

Shyla Watson

I'm Low-Key Tearing Up At These Pics From The Final "Big Bang Theory" Table Read

"I'll forever cherish these moments with my TBBT brothers and sisters."

Shyla Watson

14 Behind-The-Scenes Facts About "The Big Bang Theory" Only Major Fans Will Appreciate

The Season 12 premiere will be Shamy's honeymoon!

Shyla Watson

13 Celebrity #TBT Photos You Need To See This Week

Mandy Moore hanging out with the ICONIC Stevie Nicks kicks off this week’s #ThrowbackThursday!

Brian Galindo

Mayim Bialik Has Apologized For Her Op-Ed About The "Flip Side" Of Sexual Harassment

The Big Bang Theory actor was dragged online after writing a New York Times op-ed that suggested women dress more modestly to avoid harassment from men.