Season 1

Season 1 of The Sing-Off premiered on December 14, 2009

The first season of The Sing-Off premiered on December 14, 2009. The show featured eight a cappella groups performing popular songs live. The winner's...Read more

Season 2

Season 2 of The Sing-Off premiered on December 6, 2010

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...Read more

Season 3

Season 3 of The Sing-Off premiered on September 19, 2011

The third season of The Sing-Off premiered on September 19, 2011. The number of a cappella groups was increased from 10 to 16, resulting in a new form...Read more

Season 4

Season 4 of The Sing-Off premiered on December 9, 2013

The fourth season of The Sing-Off returned with the number of a cappella groups competing decreased from sixteen back to ten, resulting in a new forma...Read more

Season 5

Season 5 of The Sing-Off premiered on December 17, 2014