
A Research Study and Czechoslovakian Wedding Pastries - S2-E5
Continuity mistake: At the dinner table, when discussing the research study, Missy switches from eating to arms folded several times between instant cuts. (00:04:10)

A Research Study and Czechoslovakian Wedding Pastries - S2-E5
Continuity mistake: When driving back from the second study, Missy is looking out of the window when Mary says something about going out to eat. When the camera angle has changed to show the whole car, she is now looking past Sheldon into the car. (00:15:40)
Answer: Some people just have a dislike for someone that can't be explained. Could be as simple as the way he's dressed.