Much imitated but never equalled, this is the definitive space nightmare. The crew of a commercial spacecraft are stalked by a stowaway, mutating monster of veracious appetite. Weaver puts in a splendidly believable performance as the resourceful Ripley. Taut script and awesome special FX. find out more...

This smart, involving sci-fi picture, set in an Ohio high school, pays homage to several genre faves, notably Invasion of the Body Snatchers and The Thing, but also The Breakfast Club, with peer group pressure and disaffected teens rebelling against 'alien' adult authority figures. The neatly worked scenario pits a disparate group of Herrington High students against teachers who've been transformed by an alien parasite into smily, emotionless drones. Forced to work together, the kids put aside t find out more...

An isolated scientific research station in Antarctica is besieged from within (literally!) by an alien with the ability to take over any living organism. This inevitably leads to conflict and suspicion amongst the scientists. High suspense and excellent special effects make this a fine film. find out more...