As of July 2015, past episodes of "Revenge" are available for streaming on Hulu Plus. Episodes of "Revenge" are also available on Google Play and VUDU for $1.99 each.
Hulu Plus has the fourth season of "Revenge," consisting of 23 episodes, available for streaming with access to a Hulu Plus membership. The site also has the last five episodes of the fourth season available for free. The entire series of "Revenge" is available for purchase on Google Play and VUDU. On both services, episodes are available for $1.99 each, and entire seasons are available for as low as $14.99. Prices for seasons vary depending on whether they are in standard definition or high definition.