on 29th november epi where urmi comes down the stairs with her *witch* look, i mean hair opened, and then she comes infront of koki and rashi and says something to rashi about speaking up, well just befoe she opens her mouth to speak at the start of the shot our darling ahem seems to be smirking and then quickly changes it to a serious look like the rest of the family.
its actually more clearer when you watch on tv than online.
http://www.youtube.com/watch?v=qM_IfKPo97w&feature=related
it roughly around the 3.35 mark.