In space, no one can hear you watch the Alien movies in order. It might be the perfect organism according to Ash, but the xenomorph's timeline is a bit of a jumbled mess of prequels and origin stories ...

The best Alien movie watch order is a tough one to crack since each release ends up somewhere random on the timeline. There are sequels, prequels, midquels, and all sorts of sheiannigans going on that ...