The Sing-Off
A Sing-Off Christmas (3x12)
Finał sezonu
Data emisji: Gru 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.
- Premiera: Gru 2009
- Odcinki: 29
- Obserwujący: 162
- Zakończony
- NBC
- Poniedziałek w 20
