Why Sharon Stone Slapped Kaley Cuoco Multiple Times On-Set

During her time starring on "The Big Bang Theory," Kaley Cuoco had the opportunity to work with a bevy of big-name guest stars, from Keith Carradine and Laurie Metcalf to Stan Lee and Neil DeGrasse Tyson. As far as we know, none of those "BBT" guests hauled off and whacked her on the cheek.