Daniel Jackson and Teal'c made it back to the gate room, but several Jaffa staff weapon blasts against the Stargate forced the device to jump the receiving gate to an entirely different location, specifically a Stargate buried in Antarctica. Samantha Carter and Jack O'Neill were deposited in the icy tomb with no evidence to prove that they were still on Earth.
Solitudes - SG-1 flees from P4A-771 under Jaffa weapon fire, and the four members return to Earth in two locations.
Politics - As a gesture of Goa'uld strength, O'Neill suggests the S.G.C. dial P4A-771 to see how long Senator Kinsey survives in the face of alien adversity.