June 17, 2013
Why to watch: Your friends are watching it. Your family is watching it. Your Facebook and Twitter feed are loaded with spoilers the second an episode airs. There's a good reason everyone you know is watching "Game of Thrones," and you should be too. It only helps that Season 3, which just ended its run, is the best the show has ever been.
Where to watch: Amazon Instant Video, HBO Go, iTunes
When to watch by: Spring 2014, when "Game of Thrones" returns for its fourth season.