"The Big Bang Theory" featured many recurring habits that defined Sheldon Cooper (Jim Parsons), but few were as consistent as his practice of knocking on doors three times — most often when visiting ...

Add Yahoo as a preferred source to see more of our stories on Google. TVLine is taking stock of the many nods, cameos and crossovers linking "Young Sheldon" to its predecessor, "The Big Bang Theory." ...

A truly great TV catchphrase is a rare thing indeed. Not only must it be so fully embraced by the public that it takes on life outside the television screen, but it also must speak volumes about the ...

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 ...

Raegan Revord, the teen star known for playing Missy Cooper on the wildly popular "Big Bang Theory" spinoff "Young Sheldon," is confirming their gender identity. Revord, 17, opened up about how ...

The Big Bang Theory spin off Young Sheldon will soon be available to stream in full on Netflix. The prequel series follows a young Sheldon Cooper as he navigates life as one of the brightest brains in ...

From blind dates to long-term marriages, here's everything to know about the real-life partners of the 'Young Sheldon' cast Arturo Holmes/Getty; Rick Kern/Getty From Georgie and Mandy's first marriage ...