Myrcella says that her mother told her she had to go to Dorne. Cersei never told Myrcella anything like that on the show.
Sansa Joins her husband on the battlements. He leans in towards her right cheek to kiss her. There is a change of camera. The kiss lands on her left cheek.
At 37:20 when Jamie Lannister says "and more hands" his arm slightly moves his gold hand. Except, the fingers on the gold hand also slightly flex outward independently.
Malko refers to the Siege of Pyke as "Siege of Spyke".
Malko claims that Jorah Mormont was first through the breach and killed 50 men with his flaming sword during the Siege of Pyke. Actually, Thoros of Myr was the one who was first through the breach and wielded a flaming sword; Jorah was through the breach right after him and had no flaming sword.
Malko claims that Jorah killed Drogo. Actually, Jorah killed Drogo's bloodrider Qotho, and had nothing to do with Drogo's death.
Around 00:08:33, when Brienne is facing camera, we see a snowflake sticking on the lens.
When Jorah Mormont is being sold at the slave market, the auctioneer says; "Bidding starts at 12 gold pieces", yet when the first hand is raised, he says that the bid is 13 pieces, and continues, calling a bid of 14. The first bid should have been at the starting value, which was 12.