There are a LOT of storylines to remember.
Time to rewatch seasons 1-3?
...and Jamie Lannister...
There is no word for thank you in Dothraki. ~Ser Jorah to Daenerys in S1E1
The Watchers on The Wall. They held the gate. ~Game of Thrones s4e9
I'm Ready - Jon Snow
HBO to Prescreen 'Game of Thrones' Season 4 Premiere for 7,000 Fans