10 Forgotten ‘Big Bang Theory’ Guest Stars
Celebrating "geek" culture and science humor, the show has amassed a huge following and boasts some of the biggest celebrity guests of all time.

Lasting 12 seasons and reaching millions of viewers across the globe, The Big Bang Theory is one of the most successful sitcoms of all time. It focuses on a group of socially awkward scientists and their interactions with each other and the world around them. Celebrating "geek" culture and science humor, the show has amassed a huge following and boasts some of the biggest celebrity guest appearances of all time.
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