text: Online distribution In an aggressive marketing campaign by NBC, the pilot episode was released across a broad range of media from satellite broadcasting to popular social networking websites such as Facebook, shown on United Airlines flights, freely distributed on video on demand on about 30 cable and satellite systems including Comcast, Time Warner Cable, Cox Communications and Dish Network, on Yahoo, and from Amazon Unbox.
  Also, prior to the airing of Chuck in the United Kingdom, the pilot episode was released as a free temporary download on iTunes.
  A full week before the second season's U.S. premiere, iTunes offered a free download of the first episode as a 'pre-air premiere'. This promotion was also available on the Xbox Live Marketplace.Chuck can also be seen on Virgin Media's On Demand service in association with Warner TV
  All episodes of Seasons 1 through 5 are available for purchase in the U.S. at the iTunes Store, PlayStation Network, Amazon Video, and Xbox Live Marketplace.
  Home media
  Both the DVD and Blu-ray Disc box sets are distributed by Warner Home Video.
  The DVD and Blu-ray Disc box sets of The Complete First Season contain the same special features: deleted scenes ("Declassified Scenes"); "Chuck's World—an inside look at character development and casting sessions"; "Chuck on Chuck"—commentaries by Zachary Levi, Joshua Gomez, Josh Schwartz and Chris Fedak; bloopers ("Chuck vs. the Chuckles"); and "Chuck's Online World—a gallery of web originated mini-featurettes".