Bazinga! These guys really know their superheroes. Join us as we count down the funniest and most memorable superhero references in "The Big Bang Theory!" Our countdown includes Sheldon's iconic "I'm ...

Raj Howard Leonard Penny and Sheldon looking at a computer on The Big Bang Theory - CBS Created by Chuck Lorre and Bill Prady, "The Big Bang Theory" was a massive success for CBS during its ...

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." ...