Mayim Bialik: "I peed my pants" when Mark Hamill visited The Big Bang Theory set

TheWrap

Bialik posted a picture Wednesday of her and Kaley Cuoco losing their minds at Hamill's visit. Hamill tweeted in response: "I had the same reaction meeting these 2 lovelies as @missmayim (fortunately for me I was wearing my #ESB #BactaBriefs at the time)."