Alien Nation is a routine cop thriller with a comedic sci-fi twist. They get drunk on sour milk. They have two hearts and bald, spotted heads. They're highly intelligent, but if you drop them in seawater they'll melt into a puddle of goop. They're "Newcomers", and they arrived as refugees in a massive alien slave-ship, quarantined for three years and then reluctantly accepted as citizens of Earth. To some humans--including seasoned Los Angeles cop Matt Sykes (James Caan)--the Newcomers are unwelcomed "slags". Sykes' own virulent "speciesism" intensifies when Newcomer thugs kill his partner, but he sees logic in teaming up with Sam Francisco (Mandy Patinkin), the first Newcomer detective in the LAPD. Francisco's Newcomer knowledge is vital to their investigation of an alien drug ring, and a friendship grows from life-or-death circumstances.

Alien Nation has two things working in its favour: Caan and Patinkin form a memorable duo, and the basic premise--as conceived by Rockne S O'Bannon (who later developed the film as a TV series)--intelligently accounts for the sociological impact of an alien population. The subtle point is made that humans are extraordinary beings who squander their potential, and the evil of drugs--as dealt by a social-climbing Newcomer played by Terence Stamp--leads to a crisis that threatens to generate global intolerance. These points are well presented in a context of overly familiar plotting and standard-issue sarcasm. It's entertaining for a brisk 90 minutes, but in its attempt to be widely appealing, Alien Nation glosses over issues that might have made it more uniquely provocative. --Jeff Shannon, Amazon.com

The Alien Quadrilogy is a nine-disc box set devoted to the four Alien films. Although previously available on DVD as the Alien Legacy, here the films have been repackaged with vastly more extras and with upgraded sound and vision. For anyone who hasn't been in hypersleep for the last 25 years this series needs no introduction, though for the first time each film now comes in both original and "Special Edition" form.

Alien (1979) was so perfect it didn't need fixing, and Ridley Scott's 2003 Director's Cut is fiddling for the sake of it. Watch once then return to the majestic, perfectly paced original. Conversely the Special Edition of James Cameron's Aliens (1986) is the definitive version, though it's nice finally to have the theatrical cut on DVD for comparison. Most interesting is the alternative Alien3 (1992). This isn't a "director's cut"--David Fincher refused to have any involvement with this release--but a 1991 work-print that runs 29 minutes longer than the theatrical version, and has now been restored, remastered and finished-off with (unfortunately) cheap new CGI. Still, it's truly fascinating, offering a different insight into a flawed masterpiece. The expanded opening is visually breathtaking, the central firestorm is much longer, and a subplot involving Paul McGann's character adds considerable depth to the story. The ending is also subtly but significantly different. Alien Resurrection (1997) was always a mess with a handful of brilliant scenes, and the Special Edition just makes it eight minutes longer.

On the DVD: Alien Quadrilogy offers all films except Alien3 with DTS soundtracks, the latter having still fine Dolby Digital 5.1 presentation. All four films sound fantastic, with much low-level detail revealed for the first time. Each is anamorphically enhanced at the correct original aspect ratio, and the prints and transfers are superlative. Every film offers a commentary that lends insight into the creative process--though the Scott-only commentary and isolated music score from the first Alien DVD release are missing here--and there are subtitles for hard of hearing both for the films and the commentaries.

Each movie is complemented by a separate disc packed with hours of seriously detailed documentaries (all presented at 4:3 with clips letterboxed), thousands of photos, production stills and storyboards, giving a level of inside information for the dedicated buff only surpassed by the Lord of the Rings extended DVD sets. A ninth DVD compiles miscellaneous material, including a Channel 4 hour-long documentary and even all the extras from the old Alien laserdisc. Exhaustive hardly beings to describe the Alien Quadrilogy, a set which establishes the new DVD benchmark for retrospective releases and which looks unlikely to be surpassed for some time. --Gary S Dalkin

This super deluxe NINE-disc package portrays the ongoing struggle between Ripley, the sinister Company and their nemesis...the Xenomorph alien. The first two films are confirmed classics, the second two open the 'Alien universe' to a wider range of landscapes and characters.

Four astounding alien adventures in this box set. 1.The crew of Nostromp on a routine investigation stumble upon a horrifying truth that spells doom for the entire mankind. 2. Lt Ripley's experiences with the aliens is received with a lot of skepticism, but when a group of people suddenly disappear, Ripley's help is required. 3. The adventures of Ripley continue as her spaceship is suddenly scuttled. 4. Ripley has risen again, this time she is a surprise even for her creators.