Release Date : 2009
Genre : Game-Show , Family , Music
No. of episodes : 29
Description : "The Sing-Off" is a four-night event premiering Monday, December 14 (8-10 p.m. ET) that features a one-of-a-kind battle of voices that continues on December 15 and 16, culminating with a live finale on December 21 (8-10 p.m. ET each night). .