Jim Parsons reprised his role as adult Sheldon in the "Young Sheldon" finale, and one thing stood out as being very different.

Sheldon Cooper often voiced whatever came to mind, but his most emotional line of dialogue is undoubtedly also 'The Big Bang Theory's greatest quote.

Now that the character is regarded as one of his career-defining roles, it's hard to imagine anyone other than Jim Parsons playing Sheldon Cooper on "The Big Bang Theory." After all, the actor ...

The new series will be going back to 'The Big Bang Theory' days, as well as the future, in a new adventure from the original ...

Sheldon Cooper (Jim Parsons) is the heart and soul of "The Big Bang Theory" — for worse or for better, depending on how you feel about the sometimes controversial, sometimes abrasive character.

Chuck Lorre has said he regrets a foundational creative decision made early in "The Big Bang Theory": making the death of Sheldon Cooper's father a defining part of the character's childhood. Lorre ...

The Big Bang Theory' ran for 12 seasons from 2007 to 2019. Here's everything to know about where the cast is today.