On Sunday, May 22, 2016, the fifth episode of "Game of Thrones" season six titled

From the unexpected twist to the discovery of the White Walkers' creation, check out four things that happened on Sunday's episode.

1. They discovered who made the White Walkers. In the past, the Three-Eyed Raven shows Bran how the White Walkers were created.

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2. Yara makes her play for leading the Iron Islands, but her uncle Euron Greyjoy steps forward and claims the throne. He also proudly admits he murdered his own brother Balon.

3. The episode revealed why Hudor was able to say just one word - his name. Fans also got to learn that Hodor's condition was accidentally caused by Bran.

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4. Hodor died in Sunday’s episode after heroically saving Bran and Meera’s life.

Watch promo episode below.