Game of Thrones made a number of changes to the books, but its biggest failure was the direwolves.
1 / 9
Game of Thrones didn't use the direwolves much because of how expensive and difficult they were to render.
2 / 9
But that meant losing a lot of the essence of House Stark.
3 / 9
The direwolves are intrinsically linked to each of their respective Starks...
4 / 9
...And it's through these bonds key character and plot developments happen.
5 / 9
It's important to Bran becoming the Three-Eyed Crow, or Arya reclaiming her identity.
6 / 9
And it's likely Jon will have warged into Ghost, and that's how he'll return from the dead.
7 / 9
Jon's reunion with Ghost was great, but it was also too little, too late.
8 / 9