Stargate Atlantis - Season 4 Episode Guides (2007)

Sheppard returns to Atlantis after a mission and finds the city abandoned, all systems dead -- and instead of ocean, sand dunes as far as the eye can see.

Episode Guide

The Kindred (2)

Season 4, Episode 19 - Air Date: 2/29/2008

The team is shocked when an old friend, believed to be dead, miraculously returns to them. Teyla plans an escape from Michael's captivity.

Episode Guide

The Kindred (1)

Season 4, Episode 18 - Air Date: 2/22/2008

As a mysterious new illness sweeps through the Pegasus Galaxy, Teyla is convinced by a vision that the father of her child is trying to communicate with her.

Episode Guide

Midway

Season 4, Episode 17 - Air Date: 2/15/2008

Teal'c visits Atlantis to counsel a headstrong Ronon, who is up for review by the I.O.A. But the two must work together when the Wraith invade the Midway space station in order to reach Earth.

Episode Guide

Trio

Season 4, Episode 16 - Air Date: 2/8/2008

McKay, Carter, and Keller are trapped in an underground chamber while on an off-world mission, with no apparent means of escape.

Episode Guide

Outcast

Season 4, Episode 15 - Air Date: 2/1/2008

While on personal leave on Earth, Sheppard and Ronon learn that scientists have engineered a human-form Replicator -- who is now on the loose.

Episode Guide

Harmony

Season 4, Episode 14 - Air Date: 1/25/2008

Colonel Sheppard and Dr. McKay must protect a child princess on a pilgrimage before she can become queen, and learn that she has dangerous enemies threatening her life.

Episode Guide

Quarantine

Season 4, Episode 13 - Air Date: 1/18/2008

An automated lockdown traps Atlantis personnel in various parts of the city, each of them hoping the others will come to their rescue.

Episode Guide

Spoils of War

Season 4, Episode 12 - Air Date: 1/10/2008

The team finds their former Wraith ally's hive ship drifting in space, which leads them to a secret project that could turn the tide of a civil war.

Episode Guide

Be All My Sins Remember'd (2)

Season 4, Episode 11 - Air Date: 1/4/2008

With a plan to potentially extinguish the Replicator threat, the Atlantis team must seek an alliance with a fleet of Wraith ships.

Episode Guide

This Mortal Coil (1)

Season 4, Episode 10 - Air Date: 12/7/2007

A mysterious drone crashes into Atlantis, indicating that the Replicators may have found the city. But when Elizabeth Weir appears, the team realizes that the probe is just a part of a bigger mystery.

Episode Guide

Miller's Crossing

Season 4, Episode 9 - Air Date: 11/30/2007

Rodney McKay goes in search of his sister on Earth after she is kidnapped by the head of a powerful corporation.

Episode Guide

The Seer

Season 4, Episode 8 - Air Date: 11/16/2007

The team meets a man with extraordinary prophetic abilities, who gives them a dark prediction about Atlantis's future.

Episode Guide

Missing

Season 4, Episode 7 - Air Date: 11/9/2007

During a visit to New Athos, Teyla and Dr. Keller find themselves on the run from a primitive tribe of warriors.

Episode Guide

Tabula Rasa

Season 4, Episode 6 - Air Date: 11/2/2007

When a virus causes amnesia in everyone except Teyla and Ronon, the Atlantis team must work together to find a cure before their memories fade entirely.

Episode Guide

Travelers

Season 4, Episode 5 - Air Date: 10/26/2007

Colonel Sheppard is captured by the inhabitants of a generational ship and their beautiful leader, who wish to use his ability to use Ancient technology for their own ends.

Episode Guide

Doppelganger

Season 4, Episode 4 - Air Date: 10/19/2007

During an off-world mission Colonel Sheppard unknowingly becomes host to an alien entity, which infects others in Atlantis and afflicts them with terrifying nightmares.

Episode Guide

Reunion

Season 4, Episode 3 - Air Date: 10/12/2007

When a group of Ronon's people enlist the team's help in raiding a Wraith weapons facility, Ronon reconsiders whether his future lies in Atlantis or with his friends.

Episode Guide

Lifeline (3)

Season 4, Episode 2 - Air Date: 10/5/2007

Colonel Sheppard and his team embark on a risky mission to steal a Z.P.M. power module from the Replicators -- but must rely on a compromised Dr.

Episode Guide

Adrift (2)

Season 4, Episode 1 - Air Date: 9/28/2007

Floating in deep space with the city's protective shield failing, the team must do all they can to keep Atlantis alive.

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The Last Man (1)

The Kindred (2)

The Kindred (1)

Midway

Trio

Outcast

Harmony

Quarantine

Spoils of War

Be All My Sins Remember'd (2)

This Mortal Coil (1)

Miller's Crossing

The Seer

Missing

Tabula Rasa

Travelers

Doppelganger

Reunion

Lifeline (3)

Adrift (2)

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