Stargate SG-1
S04E21 Double Jeopardy
SG-1 is tasked with saving an alien planet from the clutches of the Goa'uld, but they find assistance from an unforeseen ally. Meanwhile, Teal'c is driven by a desire for vengeance against the System Lord Cronus, who was responsible for his father's death.
Season 4 Episodes
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2
3
4
5
6
7
8
9
10
11
12
13
14
15
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18
19
20
21
22
Small Victories (2)
The Other Side
Upgrades
Crossroads
Divide and Conquer
Window of Opportunity
Watergate
The First Ones
Scorched Earth
Beneath the Surface
Point of No Return
Tangent
The Curse
The Serpent's Venom
Chain Reaction
2010
Absolute Power
The Light
Prodigy
Entity
Double Jeopardy
Exodus (1)