The guys are coming home from the North Pole, but only Sheldon is satisfied with the trip, while the rest don’t have very good opinions. Inside their room, Sheldon is shocked to learn that the guys tampered with his data from the experiments he performed, and when nobody seems to understand how sad or furious he is, he leaves to Texas in disgrace. Meanwhile, Penny is more than happy to see that Leonard has come home, and their relationship goes to a whole new level when Penny kisses him incessantly.