With every episode of every season of TV's hottest series, like Game of Thrones, Downton Abbey, Dexter, Girls, Spartacus and Duck Dynasty, plus full, current or most recent seasons of Mad Men, Revolution, The Walking Dead, Touch, Chicago Fire, Psych, Parenthood and The Americans, the first Xfinity Watchathon Week will offer a massive collection of content from the best networks never before available for free in one place.