Game of Thrones ended Season 5 last Sunday with a shocking finale that has fans on pins and needles, waiting for Season 6 to debut next year. The show is among the most popular on TV, but there are still plenty of people who have not yet checked out the series. For those who don't have time to watch all five seasons, before Season 6 begins, HBO has debuted a succinct four-minute video that breaks down all of the key moments in Game of Thrones, to get you brought up to speed. Needless to say, there will be plenty of SPOILERS below, so watch at your own risk.

Game of Thrones is based on George R.R. Martin's fantasy series A Song Of Ice and Fire, where political and sexual intrigue abound as seven noble families fight for control of the mythical land of Westeros. The epic series, with storylines of treachery and nobility, family and honor, ambition and love, and death and survival, has captured the imagination of fans globally and become one of the most popular shows on television.

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In Season 5, Jon Snow is struggling to balance the demands of the Night's Watch with those of the newly arrived Stannis Baratheon, who styles himself the rightful king of Westeros. Meanwhile, Cersei scrambles to hold on to power in King's Landing amidst the Tyrells and the rise of a religious group led by the enigmatic High Sparrow, while Jaime embarks on a secret mission. Across the Narrow Sea, Arya seeks an old friend and a fugitive Tyrion finds a new cause. And as danger mounts in Meereen, Daenerys finds that her tenuous hold on the city requires hard sacrifices. Check out this video to get caught up with Game of Thrones.