-When Kitty searched brown sugar and Fez said to her "I am here!". (when Steven and Eric trying to cook for the revenge of Kelso).
-Kitty burned her hair (in 8th season and after she got new hairstyle)
-Jackie didn't want to breaks eggs because she said that eggs were in chicken's butt. (when she was needed to learn to cook with Kitty)
There's something wrong with Esther.