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But while many of the other actors were probably nursing scrapes, bruises and other battle scars, Kit Harington has revealed he almost lost something pretty important: his testicle.
WARNING: GAME OF THRONES SPOILERS AHEAD
In Game Revealed, a behind-the-scenes video released by HBO, the actor explained what it had been like filming the now-famous dragon sequence, which sees him take to the skies on one of Daenerys' magnificent but terrifying beasts.
Now, it may come as a surprise, but dragons don't exist in our world - meaning Harington had to make do with a whole load of computer-generated effects and a giant mechanical bull.
"Buck work is not easy," the 32-year-old said.
"I think what sums up the buck for me was there was a bit where Jon almost falls off.
"The dragon swings around really violently, like this, and my right ball got trapped, and I didn't have time to say 'Stop!' and I was being swung around.
"In my head, I thought, 'This is how it ends, on this buck, swinging me around by testicles, literally.'"
Giggling to the camera, he added: "Sorry. Probably too much information."
Thankfully, Harington's close call with the mechanical bull paid off, as fans of the show were absolutely bloody delighted to see Jon Snow finally ride a dragon.
One tweeted: "Jon Snow and Dany riding dragons together is the cutest shit I've seen on tv."
Someone else wrote: "Another added: "Just survived the morning without any spoilers and was able to watch. #GameofThrones The scene in which Jon snow riding dragon is lit."
A third added: "WHEN JON SNOW IS NOT ONLY RIDING A DRAGON BUT RIDING RHAEGAL."
After Jon and Dany had their romantic dragon ride (just like Aladdin, but with extra fire), the two enjoyed a nice old snog while the dragons watched on - a moment many fans found hilarious.
This dragon was looking at them kiss like "Jon Snow that's your aunt, boy you wild" #JonSnow #GameofThrones pic.twitter.com/5VU2Qv2Pu7
- ChiefRocka (@11BEddieV) April 15, 2019
Sam: Jon you are a Targaryen
Jon Snow thinking "that's why the dragons were giving me that look"
- Sthabiso Mthambo (@MthamboZn) April 15, 2019
Let us know what you made of the whole thing - head on over to Game of Thrones: Westeros Posting on Facebook to join the conversation.
Game of Thrones will air on Sky Atlantic at 2am each Monday morning and again at 9pm GMT the following evening.
Featured Image Credit: HBO
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