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The Sing-Off Full Episodes

10 Questions with The Sing-Off's Nick Lachey
'The Sing Off': Nota gets sledgehammered while the 'Bubs' are sweet Episode 3
'The Sing-Off': Voices of Lee get second chance and Maxx Factor learns new tricks Episode 2
'The Sing-Off' premiere: All the drama of 'Glee' (and then some) Episode 1