A Guide to Game of Thrones Season 7's Biggest Moments

When Daenerys dispatches Jorah to find a cure for greyscale, he ends up at the Citadel in Oldtown, which is quite lucky for him, because when Samwell Tarly shows up, Sam is determined to find a cure for Jorah.

And Sam does cure him by peeling off the crusty scabs and treating the pus-covered flesh underneath with a curing concoction in what might be the grossest sequence Game of Thrones has ever done.