Guest Stars

Torri Higginson As Dr. Elizabeth Weir Recurring	Jewel Staite As Dr. Jennifer Keller Recurring
David Nykl As Dr. Radek Zelenka Recurring	Kavan Smith As Major Lorne Recurring

Co-Guest Stars

Chuck Campbell (1) As Technician Recurring

Main Cast

Joe Flanigan As Major / Lieutenant Colonel John Sheppard

Recap

Rodney is working with Zelenka to do a diagnostic on the Stargate, as it is working after Rodney tried an accelerated dialing program. They’re interrupted when something hits the city and they go to investigate. It’s an unknown probe with weapon damage on it. Rodney prepares to analyze the probe code and Major Lorne suggests that Zelenka continue with the gate diagnostic. Despite the fact that Zelenka agrees, Sheppard overrides Lorne and has Zelenka work on analyzing the probe as well. However, the system shuts down just as Rodney starts to get somewhere, but he sees enough to determine that the programming is nanite code. Rodney reports to Sheppard what he saw, despite Zelenka’s insistence that there was nothing there that he saw. There’s an explosion and Lorne reports that the probe self-destructed but nobody was there to be harmed. Rodney gets Sheppard off to the side and insists that something is going on...

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• Creator	Brad Wright (1)  |  Robert C. Cooper
• Executive Producer	Joseph Mallozzi  |  Paul Mullie
• Production Designer	James Robbins
• Music	Joel Goldsmith
• Other	Joel Goldsmith (Main Title Theme)