If you Free Rental at Blockbuster Expresshaven’t yet tried renting DVDs from Blockbuster Express, here’s your chance: Now through Oct. 10, you can get the first night free on a DVD rental when you rent through the Blockbuster Express website and use the promo code BBXWEB at checkout. Remember, you must reserve the DVD through the website; this code isn’t valid directly at the kiosk. Remember to return the DVD the next day to avoid charges.