Two weeks after a rogue, on-set coffee cup caused much mirth among Game of Thrones fans around the world, eagle-eyed viewers have seen a plastic water bottle in the show's long-awaited finale.

The latest anachronism was seen behind the foot of character Samwell Tarly during a tense encounter.

Once again, fans wasted little time in having their say:

The series finale aired overnight on HBO in the US and on Sky Atlantic in Ireland. It will be shown again on Sky Atlantic on Monday night at 9:00pm.

Read our review here.