Redbox: Rent Two Movies, Get One FREEJanuary 30, 2011 by Mitchell Wischmann This post may contain a link to an affiliate. See my disclosure policy for more information. Starting 2/1/11, rent two movies at Redbox and you’ll get a code for one FREE rental! You’ll have to enter your email address when you rent to receive the code.Limit one FREE rental per customer per day. Offer valid 2/1 through 2/14/11.