The Sing-Off - Season 4
1 - The Sing Off Is Back!
Air Date: December 9, 2013
The groups try to make a good first impression on the judges.
2 - Party Anthems
Air Date: December 11, 2013
The nine remaining groups perform party anthems.
3 - #1 Hits
Air Date: December 12, 2013
Eight groups perform their favorite hit.
4 - My Generation
Air Date: December 16, 2013
The groups perform songs they hope will please all generations.
5 - Movie Night
Air Date: December 18, 2013
The groups perform songs from movies.
6 - Judges' Choice
Air Date: December 19, 2013
The groups perform songs chose by the judges.
7 - Finale
Air Date: December 23, 2013
The three remaining groups compete; one group is declared the winner.