What's so great about Game of Thrones?

The epic fantasy series Game of Thrones returns for its eighth and final season today.

Fans the world over eagerly awaited the final instalment from the mega-franchise and now, the wait is now over. 

So, what makes this show so successful and how has it continued for so many seasons?

AUT University Pop Culture Professor Lorna Piatti-Farnell spoke to The AM Show.

Watch the video.