Game of Thrones is now a worldwide smash and become firmly entrenched in TV and pop culture.
It's also given birth to thousands of uber-fans, who have since read the books and followed the series religiously since its start.
But do you know your Starks from your Karstarks? Or do you know nothing, much like Jern Snoo?
Take our quiz and find out!
Fifteen questions with just five minutes to answer.
Gods help you if you Google the answers.