The singers settle into sound booths and hear their potential bandmates perform live. Will they make a musical match — or will their personalities clash?

As more singers await their fate, one vocalist makes a career-defining decision. A new band is born, and AJ brings in Nicole Scherzinger as a mentor.

Options dwindle for those who haven't found a band yet. As more musical alliances emerge, two groups take the stage for their formation performance.

A contestant goes home in tears when a new group locks in. Can a boy band find their fourth member? One singer without a band stirs up suspense.