Jim Parsons left "The Big Bang Theory" and Jesse Williams quit "Grey's Anatomy," but they're not the only famous actors to leave major series.

"The Big Bang Theory" star and the famous equestrian had been married for three years before splitting up. Here's a timeline of their relationship.

Kaley Cuoco is known for her love of animals and owns 25 horses, a pack of dogs, a bunny, and a goat — at least.

Bialik hasn't heard anything about a "Big Bang Theory" reunion yet, but says "if anybody needs me, I'm just right there."

Mayim Bialik told Insider that even the "Big Bang Theory" writers had to discuss and weigh the options of Amy accepting or denying Sheldon's proposal.

Mayim Bialik is a huge Marvel and DC fan. She told Insider about the "Spider-Man" role she once auditioned for that didn't pan out.

Mayim Bialik told Insider she contacted her agent about "Jeopardy!" when one of her kids said fans were suggesting her as a guest host.

The 35-year-old actress played Penny on all 12 seasons of the CBS sitcom, which wrapped in May 2019.

The actress told Variety that she went through her divorce with Sweeting while starring on "The Big Bang Theory."

Kaley Cuoco and Johnny Galecki secretly dated for about two years while making "The Big Bang Theory."

Kaley Cuoco, who turns 35 on November 30, became famous for her role on "8 Simple Rules." See how far her sense of style has come since then.

On Dax Shepard's "Armchair Expert" podcast, Kaley Cuoco recounted dating her "Big Bang Theory" costar for about two years, until season three.

From character names to zodiac signs, here are some minor mistakes and confusing information gaps on "The Big Bang Theory" that you might have missed.

From "The Big Bang Theory" to "Friends," here are several times TV characters opted to forego the big traditional ceremony for a last-minute wedding.

From "Cheers" to "Seinfeld," the most-watched TV show finales ever drew in numbers you just don't see today — even for shows like "Game of Thrones."

For years fans have been wondering Penny's last name on CBS' hit comedy, "The Big Bang Theory." It seems like we'll never know the answer.

"Young Sheldon" paid tribute to "The Big Bang Theory" (after it completed its record-breaking run) by showing all of the characters as kids.

Kaley Cuoco shared a video of the CBS cast gathering together for one last huddle on set of "The Big Bang Theory."

"The Big Bang Theory" ended its 12th and final season. INSIDER looks back at the many celebrities, from Bill Nye the Science Guy to Mark Hamill, who have appeared on the CBS comedy.

In 2017, Mayim Bialik told INSIDER she asked the show's writers for one thing for years. The series finale of CBS' hit comedy finally delivered.