Blockbuster Express: 8 FREE One Night Rental CodesJune 30, 2011 This post may contain a link to an affiliate. See my disclosure policy for more information. Wow! Blockbuster Express is currently offering 8 FREE one night rental codes! These are all valid through July 4th, and you can use each code once per credit card.85JBHS286RRAP323CMEA666MLBJ972MDEB934ZGDB474EHJR422VHAP2Thanks, SwagGrabber!