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 ...

Fans of "The Big Bang Theory" will be surprised to know that a complete rip-off of the hit sitcom exists, and it blatantly wears its influence on its sleeve.

After a few years, The Big Bang Theory officially clarified the mystery about Penny's last name, and it highlights a harsh truth.