Bernadette wants Wolowitz to move out of his mom's house; Sheldon is caught in the middle of Amy and Wil Wheaton's argument.
Doug is roped into roasting the head of his company, a man he hardly knows, at the annual banquet. (TV-PG)
Tension arises between Derek and Meredith's mother; Cristina is mesmerized by the lifestyle of working in the dermatology wing.
When a checkout girl is distracted making personal calls and accidentally doesn't charge Carrie for her digital music player, Carrie walks out the store with free merchandise. But when Carrie is forced to wait out a blizzard in her local church, she starts feeling guilty for not saying anything to the checkout girl.
Sabrina learns she has to solve the family secret before she can use her Witches License.
