April 18, 2011 | 10:00
"Game of Thrones" premiered on HBO on Sunday night, and for those of you who tuned in, welcome to the world of Westeros.
Now that you've met King Robert and friends — like the noble Starks, greedy Lannisters and exiled Targaryens — how about putting your newfound knowledge to the test?
Start by taking the first of our weekly trivia quizzes and see if you can keep up with the complex new series.
The Cheat Sheet: 'Game of Thrones'
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Everything you need to know about 'Game of Thrones' but were afraid to ask
— Emily Christianson
Photo: Maisie Williams, Sean Bean in "Game of Thrones." Credit: HBO.