Joel Dommett and Rob Beckett for Sky One Thronecast: Gameshow of of Thrones special.

We’re all getting warmed up for the eighth and final season of the world-conquering Game of Thrones, but how well do you really know your Thrones?

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In a Thronecast special for Sky One, Sue Perkins will host a panel gameshow where celebrity superfans and cast members from seasons past pledge allegiance to their houses and battle it out for supremacy in the field of Thrones trivia. Who will prove to be as all-knowing as the Three-Eyed Raven, and who will know less than Jon Snow?

Joel Dommett, Jonathan Ross, Rob Beckett and Rickie Haywood-Williams are among the celebrity guests taking part.

The special will air on Friday 29 March at 10pm on Sky One / NOW TV.