Thursday on TV
– The Office (8 p.m., Ch. 5): Michael and Jim argue over the office Christmas party.
– Fringe (8 p.m., Ch. 13): William Bell resurfaces.
– 30 Rock (8:30 p.m., Ch. 5): Liz struggles to find the right Christmas present for Jack.
– NBA (8:30 p.m., TNT): Orlando Magic at Utah Jazz
– The Mentalist (9 p.m,. Ch. 2): A jeweler is murdered at a black-tie fundraiser.
– It’s Always Sunny in Philadelphia (11 p.m., FX): After a 10 year ban, Paddy’s team is eligible to compete in Flipadelphia again.