Beware of minor spoilers below.
SEPTEMBER 9
Stargate SG-1: “Babylon”
The team desperately tries to locate Lt. Col. Mitchell (Ben Browder) after he disappears attempting to make contact with a group of legendary Jaffa warriors.
Stargate Atlantis: “Conversion”
The team races to find a cure for a retrovirus that is slowly changing Sheppard (Joe Flanigan) into a Wraith.
SEPTEMBER 16
Stargate SG-1: “Prototype”
The team discovers a man frozen in stasis in what they believe to be an Ancient science lab, but after bringing him back to Stargate Command, they make a shocking discovery.
Stargate Atlantis: “Aurora”
When the team discovers an Ancient ship, McKay (David Hewlett) and Sheppard (Joe Flanigan) are shocked to learn that the crew aboard have information about a weakness in the Wraith’s technology.
SEPTEMBER 23
Stargate SG-1: “The Fourth Horseman, Part 1”
As Teal’c (Christopher Judge) struggles to dissuade Gerak (Lou Gossett, Jr.) from joining forces with a powerful foe, Carter (Amanda Tapping) works on a technology that may be critical in helping the team defeat their powerful foe. Guest star: Don S. Davis.
Stargate Atlantis: “The Lost Boys”
The team discovers Ford (Rainbow Sun Francks) alive on a distant planet, and soon find themselves at his mercy.
New episodes are expected to resume in January in the U.S. following the fall rerun break, with Sky One in the U.K. likely passing up SCI FI sometime in December.
Read more at Now Playing Magazine! All-new episodes continue this Friday at 8 p.m. Eastern/Pacific.