The Sing-Off
A Sing-Off Christmas (3x12)
Sezon finali
Yayınlanma tarihi: Ara 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.
- Prömiyeri: Ara 2009
- Bölümler: 29
- Takipçiler: 162
- Bitti
- NBC
- Pazartesi saat 20
