While The Big Bang Theory fans tend to know how excited Jim Parsons was about one guest star, there is one thing about the show that is much more widely known. Even many people who've never even ...

After narrating Young Sheldon for seven seasons, Jim Parsons made a physical appearance on the sitcom in the finale episode.

From a bird in a school play to the highest-paid actor in television, Jim Parsons' career has never slowed down — and he's been on quite the journey himself, too.

Todd Spiewak and Jim Parsons. ; Tom Pelphrey and Kaley Cuoco.

Zoe Perry, Raegan Revord, Iain Armitage, Lance Barber and Montana Jordan in "Young Sheldon." ...