They don't give Mayim Bialik enough really good material. She's so good at the material they give her that she seems to be the sad character she's playing. Unfortunately, that character isn't very impressive until she lets loose like she did in this episode. The other time she knocked me out was when Sheldon get her a tiara; the way Amy reacted was pathetic and hilarious, and Mayim made that happen. She's a genius.
A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw