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Access Hollywood

Then & Now: 'The Big Bang Theory' Cast!

Also available on the nbc app

See how Kaley Cuoco, Jim Parsons and the rest of the cast of "The Big Bang Theory" have transformed since back in Season 1!

Tags: Access, kumal nayyar, Johnny Galecki, Big Bang Theory cast, CBS, kaley cuoco, Big Bang Theory, TV, Simon Helberg, the big bang theory cast, actors, Jim Parsons, The Big Bang Theory
S2018 E02 minInterviewNews and InformationDaytime
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