With the opening episode of Game of Thrones spin-off A Knight of the Seven Kingdomsfinally out in the world, showrunner Ira Parker has delved into a moment that left author George R.R. Martin slightly perplexed. When Ser Duncan the Tall (played by Peter Claffey) joins the lists of his first-ever jousting tournament, he's suddenly overtaken by a ferocious need to empty his bowels — made worse by the fact that composer Ramin Djawadi's instrumentals seem to be ascending just for him. And as viewers, we're privy to the whole messy ordeal.