(2009)
with 4 episodes 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 prize was $100,000 and a Sony Music recording co…
with 5 episodes 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 the United States. Nick Lachey was kept as host …
with 11 episodes 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 format. The show created two brackets, with only half…
with 7 episodes 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 format. Nick Lachey remained as host for the new seaso…