The 5th episode is so epic that I can't imagine what will be in the last one.
A lot has happened with that episode, and I can somewhat imagine what they are planning on the last episode. I'm not sure if it will be a happy ending, but we all know what happens in GoT, it's either your favorite character dies or just sometimes be happy or something. I didn't expect for the 5th episode to be like that but I liked it, but we will see.