The 5 most talked-about moments from this week's 'Game of Thrones'

Helen Sloan/HBO

Kae Alexander as Leaf, left, and Ellie Kendrick as Meera Reed on "Game of Thrones."

HBO's "Game of Thrones" gave fans a lot to talk about during Sunday's episode, "The Door."

The emotional and action-packed hour saw the fall of a much-loved character, and the setup of several showdowns to come.

But which moments had fans talking the most?

Social-media monitoring platform Brandwatch found more than 66,000 "Thrones"-related mentions on Twitter during the one-hour episode and identified the moments when conversation peaked.

Here are the five most talked-about moments from the latest "Game of Thrones" episode: