It's New Year's Eve on Friends (8 p.m., NBC), as Janine brings Joey along for her dancing gig on Dick Clark's show from Times Square. On Frasier (9 p.m., NBC), Daphne confronts Niles about his feelings for her, which puts a crimp in Frasier's meticulous holiday party planning. Sick Santas show up at the hospital en masse, and Carter runs a guns-for-gifts exchange program on the holiday episode of ER (10 p.m., NBC). 48 Hours (10 p.m., CBS) takes another look at the "Class of 2000" with a show about high school seniors overcoming obstacles. Julian Lennon is interviewed on 20/20 Downtown (10 p.m., ABC).
Sting and Tina Turner are on stage in Oslo headlining the Nobel Peace Concert (8 p.m., Fox Family), a tribute to Doctors Without Borders, recipients of the 1999 Nobel Peace Prize. Joan Lunden goes to the Army's tank school on Behind Closed Doors (9 p.m., ABC)
Coyotes at Flyers (7:30 p.m., ESPN2)
Rosie O'Donnell (syndicated) Matt LeBlanc, B'witched
David Letterman (CBS) Jim Carrey, Alanis Morissette
Jay Leno (NBC) Jodie Foster, Charlotte Church
Conan O'Brien (NBC) Gwyneth Paltrow, Eriq LaSalle, Tonic