Where to watch Star Trek: Enterprise Season 4
Star Trek: Enterprise season 4 is streaming in Australia on Paramount Plus (subscription) and Netflix (subscription). You can also rent or buy it on Apple TV.
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Availability checked 3 November 2026. Streaming availability data from JustWatch.
Star Trek: Enterprise Season 4 episodes
S04 E01
Storm Front
43 mins · Fri, 8 Oct 2004
The crew are trapped in an alternative version of 1944, one where the Allied forces are losing WWII and the Nazis have invaded the USA, with alien help.
S04 E02
Storm Front
43 mins · Fri, 15 Oct 2004
As the Nazi invasion of the US continues in an altered 1944, Archer and his crew map out their strategy to stop Vosk from building a dangerous time machine.
S04 E03
Home
43 mins · Fri, 22 Oct 2004
The Enterprise crew receive a heroes' welcome after returning to Earth following their year-long mission in the Delphic Expanse. Back on home turf, they take stock in different ways.
S04 E04
Borderland
43 mins · Fri, 29 Oct 2004
Archenemy Arik Soong is taken aboard the Enterprise to help find genetically enhanced humans he made out of stolen DNA left over from the Eugenics Wars.
S04 E05
Cold Station 12
43 mins · Fri, 5 Nov 2004
Arik Soong leads his band of Augments to a medical facility where hundreds of genetically enhanced embryos are still stored.
S04 E06
The Augments
43 mins · Fri, 12 Nov 2004
In defiance of their father, Arik Soong's Augments devise a heinous plot against the Klingons which will surely lead to interstellar war.
S04 E07
The Forge
43 mins · Fri, 19 Nov 2004
Earth's embassy on Vulcan is bombed. The ensuing investigation puts Archer and T'Pol on the trail of a Vulcan religious faction hiding in a treacherous desert.
S04 E08
Awakening
43 mins · Fri, 26 Nov 2004
Archer and T'Pol encounter the Syrrannites, a radical group hiding in the Vulcan desert; the NX-01 crew contends with Vulcan power ploys.
S04 E09
Kir'Shara
43 mins · Fri, 3 Dec 2004
Archer and T'Pol discover that the Syrrannites were not responsible for the bombing outrage. Their investigations unearth an internecine religious struggle on Vulcan, and incur the wrath of powerful forces in the process.
S04 E10
Daedalus
42 mins · Fri, 14 Jan 2005
The inventor of a transporter system claims he has found a new way to transport people over far greater distances, possibly even making star ships obsolete. The Enterprise travels to a remote part of the star system to test the new system when things start to go wrong.
S04 E11
Observer Effect
43 mins · Fri, 21 Jan 2005
Trip and Hoshi are taken ill by a mysterious but deadly illness that looks like it will kill them within hours.
S04 E12
Babel One
43 mins · Fri, 28 Jan 2005
The Enterprise is travelling to Babel for peace talks with the Andorians when a distress call from Shran is received.
S04 E13
United
43 mins · Fri, 4 Feb 2005
A marauder ship threatens to destabilise the region. Archer has a plan to capture it, but it'll mean unifying the Andorians, Tellarites, and Vulcans.
S04 E14
The Aenar
43 mins · Fri, 11 Feb 2005
Archer visits Shran's icy homeland to find a species called the Aenar. He finds out if they are connected to the marauder ships in the region.
S04 E15
Affliction
43 mins · Fri, 18 Feb 2005
Dr Phlox is kidnapped and forced to help the Klingons deal with a grave threat against their species.
S04 E16
Divergence
43 mins · Fri, 25 Feb 2005
As Archer gets closer to finding Phlox, Klingon Augments board and sabotage the ship, leaving the crew in a desperate race against time to prevent the destruction of the Enterprise.
S04 E17
Bound
43 mins · Fri, 15 Apr 2005
As a gift for negotiating with the Orion Syndicate, Captain Archer receives three Orion slave girls to do with as he pleases, but what pleases the slave girls and what is in the best interest of the ship prove not to necessarily be the same thing.
S04 E18
In a Mirror, Darkly
43 mins · Fri, 22 Apr 2005
In a mirror universe, Archer mutinies against the captain of an amoral version of the Enterprise crew following an astonishing discovery in enemy alien territory.
S04 E19
In a Mirror, Darkly
43 mins · Fri, 29 Apr 2005
In the mirror universe, Archer commandeers the 23rd-century ship Defiant and uses it in a nefarious power grab.
S04 E20
Demons
43 mins · Fri, 6 May 2005
A xenophobic faction of humanity threatens to undermine talks to form a new coalition of planets.
S04 E21
Terra Prime
43 mins · Fri, 13 May 2005
A human isolationist leader threatens to destroy Starfleet Command, unless all aliens leave Earth immediately.
S04 E22
These Are the Voyages ...
43 mins · Fri, 13 May 2005
An emotional Archer and the crew travel six years into the future as they return to Earth to face the decommissioning of Enterprise.