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Episode 5:
Revisiting this moment kinda confirms my assumption, that Eren is playing world's enemy to unite it and save it through that.
Episode 15:
So... I guess this confirms it, that episode 16 will not end where manga ends. Even if 16th will be a double-sized episode. Probably even a triple-sized one will not cover it. So I am officially calling it: there will be a movie after this one. Maybe in a year or even 2, but there will be a movie. And everyone who is saying otherwise is lying.