SUN. 12/13 9 P.M. SHOWTIME
In the finale, Michael C. Hall closes in on that alien from 3rd Rock from the Sun.
2 JENNIFER HUDSON
MON. 12/14 8 P.M. ABC
The goosebumps-guaranteed singer headlines a one-hour Christmas special.
3 THE SING-OFF
MON. 12/14 8 P.M. NBC
With Glee in reruns (sniff), a nation turns to you, Nick Lachey, who hosts this a cappella competition series.
4 GORDON RAMSAY: COOK-ALONG LIVE
TUES. 12/15 9 P.M. FOX
The chef offers a live tutorial—minus his signature swearing.
5 THE NEW ADVENTURES OF OLD CHRISTINE
WED. 12/16 8 P.M. CBS
Christine (Julia Louis-Dreyfus) hits a holiday party.