Thursday, Dec. 22
6:30 p.m. “Diary”
Johnny Knoxville invites a camera crew into his daily life, introducing the karmic stunt doubles he hired after starring as a man who fakes developmental disability to fix the Special Olympics in his new film, “The Ringer.” MTV
7 p.m. “2005 Hook-ups and Break-Ups”
Americans come together in a moment of healing as the nation struggles to cope with Jessica Simpson’s divorce announcement. VH1
7 p.m. “Smallville”
Jonathan, Lana and Martha are held hostage and Clark has to save them without using his super powers. It’s probably that annoying “Bewitched” phenomenon. Remember? Samantha could have cured cancer by twitching her nose but that would have been wrong somehow. We always hated that Kravitz woman for that. WB
7 p.m. “Meet the Santas”
A man, his fiancé and his mom plan a wedding for Christmas Eve. This idea should be approached with caution. Not all bridesmaids look good in red and green and a lot of groomsmen object to the pointy shoes elf tux. (2005) Hallmark Channel
8 p.m. “Joey”
An old girlfriend has a videotape of the two of them having sex. The way this worked for Paris Hilton, we’re surprised more Hollywood agents aren’t hiring directors and body doubles. NBC
9 p.m. “Without a Trace”
A member of a church choir is missing, leading investigators to a sordid underground of raucous choral retreats and black market bake sales. CBS