"Game of Thrones" season 4 spoilers reveal that the HBO series has made a new record: "Game of Thrones" season 4 filmed four separate episodes at the same time in two different countries!

In a new blog post on Making Game Of Thrones, Cat Taylor reveals that "Game of Thrones" season 4 filmed "four separate episodes simultaneously. That's two directors, filming separate episodes in two different countries, all on the same day."

Taylor explained that the episodes were shot in Iceland and Croatia for about six weeks.

"Splitting filming time between Dubrovnik and the Dalmatian coastal town of Split, we caught up with Daenerys' story in Slaver's Bay after her spectacular victory at Yunkai, along with the new armies she commands. Then it was across the sea to the red-stone walls of King's Landing and all the drama that continues to play out on the great stage that is Joffrey's court," Taylor wrote.

So what was the trick to breaking this new record for a show?

"Caffeine, sugar ... and every AD available in Northern Ireland," Taylor joked.

Many are speculating that "Game of Thrones" season 4 will premiere March, 2014.

Meanwhile, a recently-released teaser trailer revealed some more spoilers about what season 4 will bring to some "Game of Thrones" characters, including Tyrion Lannister, Joffrey Baratheon, Sansa Stark, and Jaime Lannister.

The "Game of Thrones" season 4 teaser trailer hints at some spoilers: Tyrion Lannister is being led away in shackles and Jaime Lannister is finally clean-shaven and appears to be flipping through a large book. Joffrey Baratheon enjoys the entertainment at his wedding, deemed "the Purple Wedding" in recent spoilers. Sansa Stark appears to be somewhere dark and spooky, but for once her face is full of wonder instead of gloom.

Watch the trailer below!