We don't want to spoil just how Martin shows up at the 4:27 mark in the video below — that's part of the fun. However, we can say that the best part is when Martin's 10-year-old grandson starts whining over having to wait for the next book. (Welcome to the club, kid!)
"Get off my back. You're going to grow up to be King Joffrey," Martin replies. Oh, snap!
Check out the full video recap below: