TiVo Guide Week of November 29, 2010 *spoiler alert*

"Christmas in Rockefeller Center" Natalie Morales and Al Roker host the 78th annual lighting of the Christmas tree in Manhattan. Adding glow are slated performances by Mariah Carey, Sheryl Crow, Josh Groban, Jessica Simpson, Susan Boyle, Annie Lennox, Katherine Jenkins, Charice, Kylie Minogue and Jackie Evancho. Tuesday at 8 on NBC.

"It's Always Sunny in Philadelphia" When the gang goes to Atlantic City for a charity benefit, Frank, Dee and Mac get lost en route. But Dennis and Charlie hitch a ride to town and have the time of their lives. Philadelphia Phillies Ryan Howard and Chase Utley have cameos. Thursday at 10 on FX.