Studio: Tcfhe/mgm Release Date: 01/13/2009 Run time: 900 minutes Rating: NrReplicators and Wraith. ZPMs and hyperdrives. Good guys, bad guys, and guys who could go either way. They're all on hand for the fourth season (originally aired in 2007-08) of Stargate Atlantis, still one of television's finest sci-fi shows. There are a number of new developments in the course of this 20-episode run. The first is the departure of leader Dr. Elizabeth Weir (Torri Higginson), who's gone from the team by the third episode, replaced by Col. Samantha Carter (Amanda Tapping, who will be familiar to Stargate SG-1 fans after her long stint on that now-defunct series); seems Weir's body contains "nanites," the elements that make up the "sentient machines" known as the Replicators, which leads to her making a supreme sacrifice on behalf of her fellow humans. (Speaking of the Replicators, these bad boys are so formidable a threat to the entire known universe that even the Wraith--the cat-eyed, white-haired, weird-skinned, vampire-like Johnny Winter lookalikes who feed on humans--fear them, resulting in a rather fraught, on-again-off-again alliance with the Stargaters. Unfortunately, the Replicator-Wraith showdown, which could have made Godzilla v. Megalon look like a game of tag, isn't exploited to nearly the degree one might have wished for.)
Meanwhile, the team's personal lives are examined more closely this time, as Teyla (Rachel Luttrell) becomes pregnant, dreadlocked beefcake dude Ronon (Jason Momoa) considers rejoining his original tribe, irreverent hero Lt. Col. John Sheppard (Joe Flanigan) returns to Earth for his father's funeral (where he runs into his ex-wife and estranged brother), and genius scientist Dr. Rodney McKay (David Hewlett, a good actor whose character's incessant glass-half-empty, pessimistic whining is getting a bit old by now) once again meets up with his sister, who also made an appearance in Season Three. Overall, the fourth season contains several terrific stories (like "Adrift," in which the entire city of Atlantis heads into space in search of a new home planet, "Tabula Rasa," in which the crew is infected with amnesia, and "Trio," described by its creators as the most logistically complex episode of the entire series), and a smattering that aren't so hot. As always, Atlantis has terrific special effects, sets, and action (this show ain't cheap to produce, and it shows), plenty of wit (Sheppard, upon being served a strange-looking meal by his captors: "Is that a form of torture?"), and a very generous selection of bonus features, which include commentaries for every episode, featurettes, and photo galleries. --Sam Graham
Beyond Stargate: Atlantis - Season Four on DVD
Stargate: Atlantis - Season One on DVD | 
Stargate: Atlantis - Season Two on DVD | 
Stargate: Atlantis - Season Three on DVD |
Stills from Stargate: Atlantis - Season Four (Click for larger image) 
