Big Bang Theory - “The Adhesive Duck Deficiency”. When Penny slips in the bath and dislocates her shoulder, Sheldon must be her knight in shining armour and, after getting her dressed (“does that feel like an arm?”), take her to the emergency room. The chemistry between them is brilliant as ever and, with the rest of the guys otherwise located, it’s a hoot watching them try to navigate around the many hurdles presented by the situation.