I like Unknown authoers with names
Alien the Movies
In aliens the humans are flyig around the galaxy when they stumple upon a alien signal and desides to investigate. The result is that everybody except for a female(Ripley) and her cat onboard the investigating ship is killed by a alien that uses humans as breading stock.
Years later they visitet the planet again, having learned nothing everybody is once again killed, except for the Ripley and a little girl who manages to escape even more and bigger aliens then in the first movie
it does not get much better in the 3rd and 4th movie, in the 3rd Ripley is finally killed but dont worrie by the 4th movie they have dug her back out of the molted lead she fell into in the 3rd movie and cloned her, giving her superpowers and a slightly acidic blood.
One think that is worth noting, is that Ripley keeps surviving, the conclusion being female cat owners cannot be killed by aliens, even if they are killed the just come back much stronger. Note how the girl surviving in the 2nd movie is dead in the 3rd, she did not own a cat.
SO if we ever have to fight aliens, all we need to do is create an army of female cat owners and send them in to battle.
Warning : Alien 1 was them best one of the all, they get progresivly worse and by the 4th there are 4 survicers.