Watch The Voice Season 21 Episode 8 online free on 123Movies. The Voice Season 21 Episode 8 watch free Putlockers full streaming HD without registration. The battle rounds continue as the coaches enlist music industry powerhouses Jason Aldean, Kristin Chenoweth, Dierks Bentley and Camila Cabello to prepare their artists to go head-to-head in hopes of advancing to the knockouts. Each coach has one steal and one save at their disposal.