Yet that wasn’t the end.

Keep on reading to find out what you oughta know about “Criminal Minds.”

According toBuzzFeed, there are some pretty notorious and pretty recognizable mass murderers pictured in the show opening.

Kirsten Vangsness close-up

His exit, however, was no Hollywood contract dispute or ego-fueled bout of “creative differences.”

Five years later, Patinkin revealed the true reason he left.

As Patinkin explained, he had misunderstood what the show was going to become.

Still from the Criminal Minds intro

“It was very destructive to my soul and my personality.”

Initially, however, the character wasn’t intended to be an ongoing part of the series.

Her antics with Moore had apparently not gone unnoticed.

Mandy Patinkin squinting at the camera

Later that night, Vangsness received a phone call.

“They’re like, ‘You have new script pages.’

I was like, ‘That’s weird,'” she continued.

Kirsten Vangsness wearing red

During a 2006 interview with thePittsburgh Post-Gazette, Gubler was asked about why his character began wearing glasses.

“I was allergic to contact lens solution and wasn’t able to wear my contacts.

Those are my real glasses,” the actor explained.

Matthew Gray Gubler close-up

According to Gubler, his glasses received mixed reviews from fans.

I think they fit the character."

Gubler added that a viewer said the glasses gave him a “1960s accountant look.”

A still from Criminal Minds Korea

Also, the glasses he wore on the show, he revealed, have a unique history.

“They are my uncle’s from high school,” he shared.

“They have a real Norman Rockwell style.”

Criminal Minds mobile app game

Another key change involved the agency with which the team worked.

Other Korean-language remakes have included"The Good Wife,““Entourage,“and"Suits.

“On the flip side, there are also some American TV hits that originated on South Korean television.

A.J. Cook and family

Cookand husband Nathan Anderson welcomed their first son, Mekhi Allen.

“As Mantegna pointed out, when he joined the series, Cook didn’t have children.

“They literally were her children on the show, which was so fantastic.”

The cast of Friends walking outside

“It was a great experience personally and creatively,” Tyler toldInStyleof her time on “Friends.”

“The cast was incredibly welcoming when I first joined … Gubler had studied filmmaking when he fell into acting.

“While producers liked his audition, they told him he wasn’t right for the role.

Thomas Gibson wearing a suit

“I think I was too gregarious,” Gubler admitted in an interview withThe Hollywood Reporter.

“Originally, they wanted the character to be more stoic, like Data from ‘Star Trek.’

Maybe they were worried I would bring too much weirdness.”

Matthew Gray Gubler at TIFF

Despite producers’ apprehension, Gubler received a callback.

Still, he kept getting called back, and after four or five auditions was offered the job.

Mantegna actually shared the same photo onhis website.

Joe Mantegna, Ringo Starr split image

“Yeah that’s me and Ringo!

I bumped into him at The Grammys,” wrote Mantegna of the photo.

“He told me he watches ‘Criminal Minds’ all the time!

Gary Sinise in Criminal Minds: Beyond Borders

What a thrill.”

with the actor mimicking Starr’s distinctive Liverpool accent.

The second “Criminal Minds” spinoff fared slightly better, lasting two seasons before it was likewisecanceled.

The cast of Criminal Minds posing

“He told the truth and wasn’t arrested and the cops believed him.

He wasn’t in trouble or anything.

I thought maybe the exact same thing would happen to me.”

Matthew Gray Gubler at the Tribeca Film Festival

The boy was ultimately sentenced to spend a minimum of seven years in a juvenile facility.

“It lets you know how you stand in the entertainment industry.”