Plot: The battle rounds continue and the coaches enlist the help of their advisers: Adam Levine teams up with John Fogerty, Blake Shelton with Brad Paisley, Gwen Stefani with Selena Gomez, and Pharrell Williams with Missy Elliot. Coaches pit 2 singers from their team against each other in a dueling duet where the loser either goes home or is saved by an opposing coach using one of their two available steals