"The Sing-Off" 8 p.m. NBC — Six groups sing box-office hits.
"A Home For the Holidays" 8 p.m. CBS — Celine Dion hosts this 15th annual event to support adoption. Ne-Yo and Chris Young perform.
"Anchorman 2: The Legend Continues" 9 p.m. E! — Because this film (shot in Atlanta) is in desperate need of more promotion.
"Mob City" 9 p.m. TNT (first season finale) — Siegel's trial approaches.
"Barbara Walters Presents the 10 Most Fascinating People of 2013" 9 p.m. ABC — Edward Snowden, Jennifer Lawrence, the "Duck Dynasty" cast and Miley Cyrus are included.
"Michael Buble's 3rd Christmas Special" 10 p.m. NBC — Mary J. Blige and Mariah Carey are guests.