'Grey's Anatomy' January 2011 Return Preview

Recently away for a Thanksgiving break, "Grey's Anatomy" once again takes a long hiatus to return with a new episode on January 6, 2011. ABC gives no reason to this apart from announcing that game show "Wipeout" would accompany it upon return at 8/7c. Meanwhile, star Chandra Wilson takes the opportunity to shed the light on the planned musical episode. "Everyone keeps calling this a 'musical