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Sam Neill plays a small-town sheriff heading out for his last day on the job before retirement.

He wonders what life will look like now that hes no longer on the force.
But wait whats that inexplicable circle out in the cornfield, and why are the crows acting so strangely?
Later that day, all the kids in music class all except her son will spontaneously experience intense nosebleeds.
Invasionhits these beats with lumbering competence.
Here is the doubting townsperson.
Here is the guy in a desert in Yemen, drawn to a mysterious funneling in the sand.
From a generous point of view, this is a daring and unexpected stance for a show calledInvasion.
You could even argue theres some realism to it.
Even more frustrating, everything happens very, very slowly.
Stopping to think too long about the many questionsInvasionprompts and declines to answer can be a dizzying sensation.
What are governments around the world attempting to do to communicate with the aliens?
Has there been any scientific research on what might stop them?
Or is that impossible?
Why is that impossible?
Are we talking days, or weeks, or …?
When it comes to the aliens themselves,Invasionis fairly circumspect.
Best to draw a curtain over the mysteries better left untouched.
Hope for the success of the alien apocalypse springs eternal.