The really good part is, the scary aliens is blue.
The good bit, is not the fight. But the way the solution for stopping the aliens is to have a blood alcohol level to poison the aliens.
So, they test the theory on the woman who don't drink. And ask her drink until she is drunk,
This is kind of funny. But dangerous, as a person could really drink to death.
0.2 is a lethal alcohol blood level.
They asked everyone to drink, so they would survive the night.