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The Best Episodes of Stargate Atlantis Season 4

Every episode of Stargate Atlantis Season 4 ranked from best to worst. Discover the Best Episodes of Stargate Atlantis Season 4!

Binge this in 14h 36m•Peaking at 8.5/10

With the Ancients' city of Atlantis discovered in the Pegasus Galaxy by Stargate Command, Dr. Elizabeth Weir and Major Sheppard lead a scientific expedition to the ancient abandoned city. Once there, the team not only

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Episode Rankings

  1. #1 Fan Favorite
    Stargate Atlantis Season 4 Episode 1 - Adrift (2)
    8.2/10(24 votes)

    #1 - Adrift (2)

    S4:E1

    Floating in deep space with the city's protective shield failing, the team must do all they can to keep Atlantis alive. A radical injury threatens Dr. Weir's life.

    Director:Martin Wood
    Writer:Martin Gero

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  2. Stargate Atlantis Season 4 Episode 2 - Lifeline (3)
    8.4/10(23 votes)

    #2 - Lifeline (3)

    S4:E2

    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. Weir to succeed.

    Directors:Martin Wood, Andy Mikita
    Writer:Carl Binder

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  3. Stargate Atlantis Season 4 Episode 3 - Reunion
    7.6/10(24 votes)

    #3 - Reunion

    S4:E3

    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.

    Director:William Waring
    Writers:Paul Mullie, Joseph Mallozzi

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  4. Stargate Atlantis Season 4 Episode 4 - Doppelganger
    7.3/10(23 votes)

    #4 - Doppelganger

    S4:E4

    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.

    Director:Robert C. Cooper
    Writer:Robert C. Cooper

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  5. Stargate Atlantis Season 4 Episode 5 - Travelers
    7.6/10(23 votes)

    #5 - Travelers

    S4:E5

    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.

    Director:William Waring
    Writers:Paul Mullie, Joseph Mallozzi

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  6. Stargate Atlantis Season 4 Episode 6 - Tabula Rasa
    8.1/10(23 votes)

    #6 - Tabula Rasa

    S4:E6

    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.

    Director:Martin Wood
    Writer:Alan McCullough

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  7. Stargate Atlantis Season 4 Episode 7 - Missing
    7.1/10(22 votes)

    #7 - Missing

    S4:E7

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

    Director:Andy Mikita
    Writer:Carl Binder

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  8. Stargate Atlantis Season 4 Episode 8 - The Seer
    7.5/10(20 votes)

    #8 - The Seer

    S4:E8

    The team meets a man with extraordinary prophetic abilities, who gives them a dark prediction about Atlantis's future. The Wraith seek a new alliance with Atlantis in their war with the Replicators.

    Director:Andy Mikita
    Writer:Alan McCullough

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  9. Stargate Atlantis Season 4 Episode 9 - Miller's Crossing
    7.5/10(22 votes)

    #9 - Miller's Crossing

    S4:E9

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

    Director:Andy Mikita
    Writer:Martin Gero

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  10. Stargate Atlantis Season 4 Episode 10 - This Mortal Coil (1)
    7.8/10(21 votes)

    #10 - This Mortal Coil (1)

    S4:E10

    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.

    Director:William Waring
    Writers:Paul Mullie, Brad Wright, Joseph Mallozzi

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  11. Stargate Atlantis Season 4 Episode 11 - Be All My Sins Remember'd (2)
    8.4/10(23 votes)

    #11 - Be All My Sins Remember'd (2)

    S4:E11

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

    Director:Andy Mikita
    Writer:Martin Gero

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  12. Stargate Atlantis Season 4 Episode 12 - Spoils of War
    7.7/10(22 votes)

    #12 - Spoils of War

    S4:E12

    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.

    Director:William Waring
    Writer:Alan McCullough

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  13. Stargate Atlantis Season 4 Episode 13 - Quarantine
    7.4/10(19 votes)

    #13 - Quarantine

    S4:E13

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

    Directors:Martin Wood, Andy Mikita
    Writer:Carl Binder

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  14. Stargate Atlantis Season 4 Episode 14 - Harmony
    6.9/10(23 votes)

    #14 - Harmony

    S4:E14

    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.

    Director:William Waring
    Writer:Martin Gero

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  15. Stargate Atlantis Season 4 Episode 15 - Outcast
    7.3/10(22 votes)

    #15 - Outcast

    S4:E15

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

    Director:Andy Mikita
    Writers:Joe Flanigan, Carl Binder

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  16. Stargate Atlantis Season 4 Episode 16 - Trio
    7.6/10(25 votes)

    #16 - Trio

    S4:E16

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

    Director:Martin Wood
    Writer:Martin Gero

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  17. Stargate Atlantis Season 4 Episode 17 - Midway
    8.1/10(23 votes)

    #17 - Midway

    S4:E17

    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.

    Director:Andy Mikita
    Writer:Carl Binder

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  18. Stargate Atlantis Season 4 Episode 18 - The Kindred (1)
    7.8/10(22 votes)

    #18 - The Kindred (1)

    S4:E18

    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.

    Director:Peter F. Woeste
    Writers:Paul Mullie, Joseph Mallozzi

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  19. Stargate Atlantis Season 4 Episode 19 - The Kindred (2)
    8.0/10(22 votes)

    #19 - The Kindred (2)

    S4:E19

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

    Director:Martin Wood
    Writer:Alan McCullough

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  20. Stargate Atlantis Season 4 Episode 20 - The Last Man (1)
    8.5/10(23 votes)

    #20 - The Last Man (1)

    S4:E20

    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.

    Director:Martin Wood
    Writers:Paul Mullie, Joseph Mallozzi

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Season 4 Ratings Summary

"Adrift (2)" is the best rated episode of "Stargate Atlantis" season 4. It scored 8.2/10 based on 24 votes. Directed by Martin Wood and written by Martin Gero, it aired on 9/27/2007. This episode is rated 0.2 points higher than the second-best, "Lifeline (3)".