TV highlights: 'Christmas in Rockefeller Center,' 'Strange Days With Bob Saget'
It's almost Christmastime - therefore, the tree must be lit and the Radio City Rockettes must dance. "Christmas in Rockefeller Center" (NBC at 8) celebrates the lighting of the 74-foot-tall tree in New York with performances from artists including Boyz II Men, Susan Boyle, Sheryl Crow, Jessica Simpson, Josh Groban and Mariah Carey.
Although the high school student relationships are starting to crash and burn on "Glee" (Fox at 8), the adults are getting along just fine.
The "Biggest Loser" (NBC) moves to 9 on Tuesday night, and the contestants compete to become part of the final four. Olympic gymnast Nastia Liukin drops by to help with a challenge involving stamina, and contestants wistfully share their dreams about what they would do with the show's prize money if they won.
It's date night for Jim and Stephanie on "No Ordinary Family" (ABC at 9).
Bob Saget takes his turn on a reality show with new series "Strange Days With Bob Saget" (A&E at 10, 10:30). The former "Full House" actor and stand-up comedian tries out random subcultures around the country, including joining a motorcycle club and hunting for Bigfoot in the Pacific Northwest.
"Sons of Anarchy" (FX at 10) wraps up the third season.
- Emily Yahr