The Sing-Off
A Sing-Off Christmas (3x12)
Sæsonafslutning
Udgivelsesdato: Dec 05, 2011
Holiday and inspirational songs performed by the winning groups from all three seasons, a compilation of lead singers from season three, a collegiate ensemble and special guests.
- Premieret: Dec 2009
- Afsnit: 29
- Følgere: 162
