adolf hitler vs darth vader (all 3 battles, back to back) epic rap battles of history adolf hitler vs darth vader (all 3 battles, back to back) epic rap battles of history official video adolf hitler vs darth vader (all 3 battles, back to back) epic rap battles of history live adolf hitler vs darth vader (all 3 battles, back to back) epic rap battles of history cover "Epic Rap Battles of History: Darth Vader vs. Hitler" official video "Epic Rap Battles of History: Darth Vader vs. Hitler" live "Epic Rap Battles of History: Darth Vader vs. Hitler" cover "Epic Rap Battles of History: Darth Vader vs. Hitler" feat