Season 4

2000  ·  22 episodes

O'Neill and Teal'c risk their lives to keep the Replicator bugs from gaining a foothold on Earth, while Carter helps the Asgard fend off a Replicator invasion. A warring alien race offers to exchange their advanced technology for Earth's help in defeating their enemy.

S1 S2 S3 S4 S5 S6 S7 S8 S9 S10

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~ end of season ~