The Sing-Off S2E4 - Episode 4
4.7/10 by 7 users
The five remaining groups come together for a performance; each group sings a medley of songs by a single artist; the judges choose the contestants' next assignment.
| Released | Dec 14, 2009 |
|---|---|
| Runtime | 120min |
| Genre | Reality |
| Actor | Shawn Stockman, Nick Lachey, Patrick Stump |
| Director | N/A |
| Production | Sony Pictures Television |