A Sing-Off Christmas
- Episode aired Dec 5, 2011
- TV-PG
- 1h 25m
"The Sing-Off Holiday Special" will be filled with holiday and inspirational songs performed by the winning groups from all three seasons, a compilation of lead singers from season three, a ... Read all"The Sing-Off Holiday Special" will be filled with 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."The Sing-Off Holiday Special" will be filled with 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.