 <p>It does create a zombie instance.</p> <p>You need to unbind your first instance.</p> <p>Check this post out for more details. <a href="http://lostechies.com/derickbailey/2011/09/15/zombies-run-managing-page-transitions-in-backbone-apps/" rel="nofollow">http://lostechies.com/derickbailey/2011/09/15/zombies-run-managing-page-transitions-in-backbone-apps/</a></p>