Fuuuuuuuuuuuuuuuuucccckkkkkkkkk! Game of Thrones actress affirms final season won’t air until 2019 https://www.polygon.com/2017/12/7/16745732/game-of-thrones-season-8-premiere
Well, no wonder the last season is going to take so long to make. It's more than half the number of episodes of a normal season!
A Game Of Thrones Season 8 Battle Took 55 Nights To Shoot It took two and a half months of filming every night to complete the epic shoot. https://www.gamespot.com/articles/a-game-of-thrones-season-8-battle-took-55-nights-t/1100-6458066/
They have been promising zombies vs dragons since the first episode. Its about time. The zombie dragon was a nice surprise touch.