Behind-the-Scenes Secrets from Our Big Bang Theory Cover ShootWhat are the cast scandals? Who hates the red carpet? And who loves the fans the most? Find out!

SIMON: WE HAVEN'T CHANGED

Despite those big paychecks, Helberg (Howard) says stardom hasn't gone to his cast mates' heads: "I feel like everybody's got their feet on the ground and it doesn't feel that much different from day one – in a good way, I think. I don't think we would have survived if everybody lost their mind."