- And who built the Red Keep?
- Maegor the Cruel.
Game of Thrones Season 1, Episode 4
I'll give him a RED smile
Game of Thrones Season 2, Episode 8
From Lorathi commoner to the Red Keep
in 10 years,
Game of Thrones Season 2, Episode 9
They can keep their Red Castle
Game of Thrones Season 1, Episode 10
Hey, not the green one;
the RED one.
The Big Bang Theory Season 7, Episode 16