Stargate SG-1/Recap/S3/E22 Nemesis

The SG-1 team gets leave time as Daniel Jackson had his appendix removed. Just after Major Carter declines Colonel O'Neill's invitation to go fishing, O'Neill is beamed aboard the cloaked Asgard ship Beliskner orbiting Earth. Encountering bug-like robots, O'Neill learns from the dying Asgard, Thor, that the creatures are called Replicators. They ingest the ship's alloys in order to self-replicate and will eventually land on Earth in the search of more raw material. O'Neill contacts Stargate Command with a request to beam up explosives, however, General Hammond also sends along Carter and Teal'c against O'Neill's wishes. An Earth shuttle may be sent to pick them up later.

SG-1 plan to steer the vessel towards Earth to vaporize it during atmospheric reentry. Because the Replicators prevent SG-1 from retaking the bridge, Carter and Thor suggest placing an elementary naqahdah-enhanced bomb on the deceleration drive. When Teal'c leaves the spaceship to place the bomb on the outside of the hull, his air tank blows, however, Carter manages to beam him back on board. Thor, whose vitals crash at this moment, is put into a stasis pod to preserve his life.

While SG-1 waits for the right time to detonate the bomb, they must devise a plan to get off the ship. They eventually beam Stargate Command's Stargate on-board and intend to travel to the planet P3X-234 before returning home using Earth's secondary gate ("Touchstone"). After Teal'c has dialed the gate manually, O'Neill detonates the bomb, crashing the ship in the Pacific Ocean. The last shot of the episode shows a Replicator crawling on the remains of the sinking spaceship.


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