Season 4 (2007)

Adrift (2)
8.2

September 27, 2007 • 44m

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

Lifeline (3)
8.5

October 4, 2007 • 43m

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 ...Read more

Reunion
7.6

October 11, 2007 • 44m

When a group of Ronon's people enlist the team's help in raiding a Wraith weapons facility, Ronon reconsiders whether his future l...Read more

Doppelganger
7.4

October 18, 2007 • 43m

During an off-world mission Colonel Sheppard unknowingly becomes host to an alien entity, which infects others in Atlantis and aff...Read more

Travelers
7.7

October 25, 2007 • 43m

Colonel Sheppard is captured by the inhabitants of a generational ship and their beautiful leader, who wish to use his ability to ...Read more

Tabula Rasa
8.2

November 1, 2007 • 44m

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

Missing
7.1

November 8, 2007 • 44m

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

The Seer
7.6

November 15, 2007 • 44m

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

Miller's Crossing
7.6

November 29, 2007 • 44m

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

This Mortal Coil (1)
7.8

December 6, 2007 • 44m

A mysterious drone crashes into Atlantis, indicating that the Replicators may have found the city. But when Elizabeth Weir appears...Read more

Be All My Sins Remember'd (2)
8.6

January 3, 2008 • 44m

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

Spoils of War
7.8

January 10, 2008 • 44m

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.

Quarantine
7.5

January 17, 2008 • 44m

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

Harmony
6.9

January 24, 2008 • 44m

Colonel Sheppard and Dr. McKay must protect a child princess on a pilgrimage before she can become queen, and learn that she has d...Read more

Outcast
7.3

January 31, 2008 • 43m

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

Trio
7.6

February 7, 2008 • 44m

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

Midway
8.2

February 14, 2008 • 44m

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 W...Read more

The Kindred (1)
7.8

February 21, 2008 • 44m

As a mysterious new illness sweeps through the Pegasus Galaxy, Teyla is convinced by a vision that the father of her child is tryi...Read more

The Kindred (2)
8.0

February 28, 2008 • 44m

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

The Last Man (1)
8.6

March 6, 2008 • 44m

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