Season Premiere: Part 2 The Sing-Off : Season 3 Episode 2
NBC 2h 00m
Aired: September 26th, 2011 @ 8:00 PM EST on NBC
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
