Zack Johnson is one of the Big Bang Theory characters who didn't have much screen time and is a little difficult to place.

One of the most popular sitcoms out there is The Big Bang Theory, no doubt about it. Over the course of 12 seasons, the show won several Emmy awards and built a very solid fan base. However, it’s ...

The Big Bang Theory ended almost five years ago, but fans are still praising the characters. Here’s a list of the leading Big ...