The Sing-Off
Season Premiere: Part 2 (3x2)
Uitzenddatum: Sep 26, 2011
Eight more groups perform together and separately. The groups include Messiah's Men, North Shore, Pentatonix, Sonos, Soul'd Out, The Collective, University of Delaware Deltones, Vocal Point
- in première gegaan: Dec 2009
- Afleveringen: 29
- Volgers: 162
- Afgelopen
- NBC
- Maandag op 20