Comcast Xfinity Watchathon Week 2014 Comcast Xfinity customers can enjoy Free HBO this week and catch up on entire seasons of other TV show favorites from March 31 to April 6.

As part of Xfinity Watchathon Week, Comcast Xfinity customers can enjoy free On Demand access to popular shows—many with complete seasons for binge viewing.

Every episode of Game of Thrones, the current season of AMC’s The Walking Dead, all of season 4 of Downton Abbey, every season of The Good Wife, and every episode of Black Sails are among the shows available this week.

Other HBO hits such as Girls, True Blood, The Sopranos, and Sex and the City are also included On Demand.

Some shows are available online, while others are available on TV.

Viewers can also enter to win Comcast’s Watchathon Sweepstakes with chances to win $10,000 and a Game of Thrones game console, a trip to the Caribbean, or a mini tablet.

For a complete list of free HBO and other TV shows available during Comcast’s Xfinity Watchathon Week, visit