Season 4 Episode Guide
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Season 4, Episode 1 | October 8th, 2004 Storm Front: Part 1
Archer and the crew of Enterprise find themselves in 1944 and discover the outcome of World War II was altered by the Temporal Cold War. more
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Season 4, Episode 2 | October 15th, 2004 Storm Front: Part 2
With Silik's help, Archer searches for the temporal operative who altered Earth's past and threatens to destroy all of time. more
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Season 4, Episode 4 | October 29th, 2004 Borderland
Criminal Arik Soong is brought aboard Enterprise to assist in finding some genetically enhanced humans he created after stealing altered DNA left over from the Eugenics Wars. more
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Season 4, Episode 5 | November 5th, 2004 Cold Station 12
Soong returns to Cold Station 12 with the Augments, a medical facility where he once worked, where there are hundreds of genetically engineered human embryos stored. more
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Season 4, Episode 6 | November 12th, 2004 The Augments
After turning on their creator, the Augments attempt to start a war between Humans and Klingons. more
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Season 4, Episode 9 | December 3rd, 2004 Kir'Shara (3)
Archer, T'Pol and T'Pau attempt to take a sacred, but controversial artefact back to the Vulcan High Council, in hopes of settling an internal struggle going on among the Vulcan people. more
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Season 4, Episode 11 | January 21st, 2005 Observer Effect
Non-corporeal aliens study the Enterprise crew as they respond to a fatal viral infection brought on board from an away mission. more
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Season 4, Episode 15 | February 18th, 2005 Affliction
While Enterprise visits Earth for the launch of Columbia, Phlox is kidnapped and forced to help the Klingons deal with a grave threat to their species. more
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Season 4, Episode 16 | February 25th, 2005 Divergence
With Columbia's help, Enterprise's crew grapples with sabotage to their ship as they pursue the truth behind the kidnapping of Phlox. more
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Season 4, Episode 18 | April 22nd, 2005 In a Mirror, Darkly: Part 1
In the mirror universe, Commander Archer mutinies against Captain Forrest in order to capture a future Earth ship found in Tholian space. more
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Season 4, Episode 19 | April 29th, 2005 In a Mirror, Darkly: Part 2
In the mirror universe, Archer commandeers the 23rd-century Defiant from the Tholians and uses it in a nefarious power grab. more
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Season 4, Episode 21 | May 13th, 2005 Terra Prime
A human isolationist leader threatens to destroy Starfleet Command unless all aliens leave Earth immediately. more
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Season 4, Episode 22 | May 13th, 2005 These Are the Voyages...
Commander William Riker of the Enterprise-D is torn between his loyalty to Captain Picard and his duty to a former captain. more
