6 important things you probably missed on this week's 'Game of Thrones'

Helen Sloan/HBO

Rory McCann as Sandor Clegane aka The Hound.

Warning: spoilers ahead for Sunday's episode of "Game of Thrones," "The Broken Man."

"Game of Thrones" threw in a few major twists this week.

At the top, the return of Sandor Clegane aka The Hound (Rory McCann), a who's who of houses historically pledged to the Starks, a welcome return to form for Queen Margaery (Natalie Dormer), and a harrowing cliffhanger for Arya Stark (Maisie Williams).

Then there was the standoff at Riverrun.

With all that to pay attention to, there may have been some details that viewers didn't catch.

Here are six important things you probably missed on this week's "Game of Thrones":