It’s just another day of high school for Zack Lightman. He`s daydreaming through another boring math class, with just one more month to go until graduation and freedom – if he can make it that long without getting suspended again.

Until a military spaceship touches down outside his school, and Zack learns that Armada – the alien invasion video game he plays every day of his life – is secretly a recruitment program for the pilots who will save the world.

Because the aliens are real. And they’re coming.

But even as Zack and his new comrades scramble to prepare for the invasion, Zack starts to recognise things – elements from the sci-fi movies, shows and games he grew up with – and the whole scenario begins to feel… familiar…