Meet The Cast
Great 'BBT' Guest Stars
From Bob Newhart to Bill Nye, "Big Bang" has become synonymous with great guest cameos.
Memorable 'Big Bang' Halloween moments
"The Big Bang Theory" has always embraced Halloween so take a quick look back at some memorable holiday moments from past seasons.
The Romance Resonance, Episode 6
Sheldon's latest scientific breakthrough leaves him feeling like a fraud; a romantic gesture between Howard and Bernadette causes Penny to up her game with Leonard.