X-Ray for TV is available starting today on the most popular TV shows from Amazon Instant Video, many of which are also available as part of Prime Instant Video: Justified, Downton Abbey, The West Wing, Sons of Anarchy, Falling Skies, American Horror Story, Grey's Anatomy, Doctor Who, The Walking Dead, Lost, Glee, Breaking Bad and Game of Thrones.

ENGADGET: Amazon intros X-Ray for TV, helps you remember those 'Game of Thrones' actors