SyFy Shows Stargate: Atlantis S4
Previously on
Stargate: Atlantis S4
Show Guide
"Stargate Atlantis" follows a scientific and military group from Earth who are sent to explore Atlantis after the Lost City is found. The city was built millions of years ago by an advanced human race known as the Ancients. After losing a battle to a powerful enemy, the Ancients were forced to submerge their city beneath the ocean. Their mission is to investigate its secrets and bring whatever they discover back to Earth.
Meet the Characters
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Lt. Col. John Sheppard
Joe Flanigan
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Col. Samantha Carter
Amanda Tapping
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Dr. Rodney McKay
David Hewlett
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Teyla Emmagan
Rachel Luttrell
Featured videos
Episodes
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Episode 1
Adrift
Its power system severely damaged, Atlantis automatically starts to decompress, shutting down artificial gravity, collapsing its protective shields and forcing Rodney McKay (David Hewlett) to find a solution before it’s too late.
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Episode 2
Lifeline
Lt. Col. Sheppard (Joe Flanigan) leads his team to the core of the Replicator home world on a high-risk mission to steal a ZPM, while Col. Samantha Carter (Amanda Tapping), aboard the Apollo, races against time to locate the missing city of Atlantis.
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Episode 3
Reunion
Ronon (Jason Momoa) reconnects with a group of Satedans from his past who enlist the Atlantis team’s help on a dangerous mission against the Wraith.
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Episode 4
Doppelganger
During an exploratory walk on a jungle planet, Lt. Col. Sheppard (Joe Flanigan) touches a glowing crystalline growth and unwittingly becomes host to an infectious energy form.
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Episode 5
Travelers
On his way back to Atlantis, Lt. Col. Sheppard (Joe Flanigan) and his jumper are taken prisoner by a rogue ship helmed by a beautiful but ruthless human commander with a secret agenda.
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Episode 6
Tabula Rasa
With almost everyone on Atlantis infected by an amnesia-causing virus, McKay (David Hewlett) finds himself zap-strapped to his desk with cryptic letters on his arm and no memories of who he is or what has happened.
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Episode 7
Missing
Arriving on New Athos for an overnight visit, Teyla (Rachel Luttrell) and Dr. Keller (Jewel Staite) discover the entire settlement abandoned and their own lives in jeopardy from a primitive warrior tribe.
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Episode 8
The Seer
While trying to find her people, Teyla (RACHEL LUTTRELL) and the team meet a man with extraordinary prophetic abilities who predicts a frightening future for Atlantis.
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Episode 9
Miller’s Crossing
When McKay’s sister Jeanie (KATE HEWLETT) is kidnapped, the team returns to Earth to find her.
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Episode 10
This Mortal Coil
The Atlantis team's worst fears may be realized when a mysterious drone crashes into the city.
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Episode 11
Be All My Sins Remembered
Now armed with the means to track Replicator ships throughout the Pegasus Galaxy, the Atlantis teams strives to eliminate the Replicators once and for all.
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Episode 12
Spoils of War
The Atlantis team successfully salvage a partially damaged Hive ship and in the process retrieve some critical information that may help in their war against the Wraith.
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Episode 13
Quarantine
When an alarm sounds throughout the city, initiating a quarantine lock down, the Atlantis team finds themselves trapped in various sections of the city.
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Episode 14
Harmony
Wanting to maintain diplomatic relations, Sheppard and McKay agree to accompany a precocious young princess on a rite of passage.
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Episode 15
Outcast
When Lt. Colonel John Sheppard receives word that his father has passed away he returns to Earth but, once there, becomes embroiled in a covert and dangerous experiment gone awry.
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Episode 16
Trio
During an off world mission, Carter, McKay and Dr. Keller become trapped in an underground mining chamber rocked by fierce seismic tremors.
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Episode 17
Midway
When Ronan Dex is scheduled for a suitability review by the IOA, Teal’c travels to Atlantis to counsel him.
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Episode 18
The Kindred Pt. 1
As Teyla continues to search for her people, a mysterious new illness sweeps throughout the galaxy, killing scores of people.
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Episode 19
The Kindred Pt. 2
An old friend’s unforeseen return spurs a race against time to rescue a missing teammate.
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Episode 20
The Last Man
Following another unsuccessful search for Teyla, Lt. Colonel Sheppard returns home to Atlantis to find the city completely abandoned.
Characters
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Lt. Col. John Sheppard
Joe Flanigan
Gifted pilot Lt. Colonel John Sheppard is the military leader of the premiere Stargate Atlantis team. A cunning soldier with a wry wit and wicked golf swing, Sheppard leads the team through both on-base and off-world missions. Season four puts Sheppard’s leadership and bravery to full use as the crew works to stay one step ahead of their longtime foe, the Wraith, and newly emerging enemies sure to test their stamina.
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Col. Samantha Carter
Amanda Tapping
Brilliant and beautiful Air Force Colonel Samantha Carter has been reassigned from SG-1 to the city of Atlantis to oversee its operations in the Pegasus Galaxy. Her extraordinary abilities in astrophysics and Gate technology, and her years of combat experience as a member of the elite SG-1, provide the Atlantis team with unmatched military backup.
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Dr. Rodney McKay
David Hewlett
Dr. Rodney McKay, the brilliant and lovably sarcastic astrophysicist returns for season four of ‘Stargate Atlantis.’ Arrogant, yet charming despite himself, McKay continues to find himself under the gun to solve the galaxy’s most challenging equations before the enemy catches up with them.
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Teyla Emmagan
Rachel Luttrell
Teyla, the beautiful alien warrior, brings her calm, insightful leadership and formidable fighting skills to the Atlantis team. And with her rare ability to sense the Wraiths’ presence, she adds a further dimension to the fight against their prime enemy.
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Ronon Dex
Jason Momoa
Now a trusted member of the Atlantis team, Ronon has a physical presence to be reckoned with. His ‘kill first – ask questions later’ approach to interstellar negotiations brings an explosive and foreboding element to the team and their volatile off-world excursions.
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Dr. Jennifer Keller
Jewel Staite
Jennifer Keller is the newest member of the Atlantis expedition, taking over the position of Chief of Medicine. Quietly confident, Dr. Keller must quickly learn how to fit in to the strange and exciting world of Atlantis, and has her medical skills and courage tested early on.
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