How The Big Bang Theory Cast Has Changed Since Their 1st Season

Take a look back at the stars of the beloved series during their early days on the show

The Big Bang Theory (season 1) - Wikipedia

The Big Bang Theory' cast then and now, Gallery

Kaley Cuoco Wasn't Originally Cast on 'the Big Bang Theory' Because of Her Age

How The Big Bang Theory Cast Has Changed Since Their 1st Season

The Big Bang Theory: 10 Things That Changed Between The Pilot & The Finale

The Big Bang Theory cast prepares for the end of CBS hit comedy, the big bang theory

How “The Big Bang Theory” Normalized Nerd Culture

What Actors From “The Big Bang Theory” Look Like Now and What They're Doing / Bright Side

The Big Bang Theory cast prepares for the end of CBS hit comedy, big bang theory