The hilariously nerdy world of The Big Bang Theory truly grasps the viewers’ attention right from the very start. However, The Big Bang Theory has 12 seasons, and each season has several episodes.

The Big Bang Theory built a big universe around its central leads, but this set of characters was noticeably absent for most of the series.

For TV fans who cannot binge-watch all 12 seasons of The Big Bang Theory, these 10 episodes of the series make for essential ...