Over the course of its 12-season run, The Big Bang Theory cemented itself as one of the most successful sitcoms of the 21st century. The show’s focus on the exploits of Leonard (Johnny Galecki), ...

Johnny Galecki may have parted ways with The Big Bang Theory prematurely. He feared that health problems would prevent him ...

The Big Bang Theory star Johnny Galecki almost left the sitcom after four seasons due to a serious health scare.

While The Big Bang Theory might be Chuck Lorre's most famous sitcom, one of his other heartfelt and hilarious TV shows is ...