Plot: The second season of The Sing-Off premiered on December 6, 2010. The number of a cappella groups was increased from 8 to 10, with all acts coming from the United States
The Sing Off - Season 2
First Episode Aired On:
Monday, December 6 2010
14 years ago
Monday, December 6 2010
14 years ago
Last Episode Aired On:
Monday, December 20 2010
14 years ago
Monday, December 20 2010
14 years ago
Number of Episodes: 5