Arrow's first four seasons are available on DVD and Blu-ray, as well as a soundtrack for the first two seasons.
 Launched in 2013 as a potential successor to the compact disc, it has been compared with DVD-A and SACD, which had similar aims
 In an effort to increase sales, studios began releasing films in combo packs with Blu-ray Discs and DVDs, as well as digital copies that can be played on computers and mobile devices

