Stargate Atlantis Season 4

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Stargate Atlantis Season 4
Last DVD set of Season 4
Country of origin  USA
No. of episodes 20
Original channel Sci Fi Channel
Original run September 28, 2007 — March 7, 2008
Home video release
DVD release
Region 1 July 8, 2008
Region 2 August 4, 2008
Region 4 September 5, 2008
Season chronology
Précédent Season 3 Season 5 Suivant
List of episodes

Season four of Stargate Atlantis began airing on September 28, 2007 on the US-American Sci Fi Channel. The fourth season concluded after 20 episodes on March 7, 2008 on Sci Fi. The series was developed by Brad Wright and Robert C. Cooper, who also served as executive producers. Amanda Tapping (Col. Samantha Carter) joins the cast as a regular for 14 episodes, Jewel Staite (Dr. Jennifer Keller) was a recurring character for eleven episodes, while regular cast member Torri Higginson (Dr. Elizabeth Weir) was a recurring cast member for four episodes. Other season four regular cast members include Joe Flanigan, Jason Momoa, Rachel Luttrell, and David Hewlett.


With the season premiere, "Adrift", Amanda Tapping replaces Torri Higginson in the opening credits sequence, with Paul McGillion no longer appearing. This marks Amanda Tapping's first appearance as a main character on Atlantis. It also marks the only time an actor has appeared in the opening credits of both Stargate SG-1 and Atlantis. Christopher Judge has a cameo appearance as his Stargate SG-1 character Teal'c in "Reunion" and guest stars in the episode "Midway". Judge is the last original Stargate SG-1 regular to appear on Atlantis, as the other three characters in the original SG-1 team all appeared in Atlantis's first season, as did other SG-1 characters Hank Landry and George Hammond. Of the three other SG-1 regulars (namely Cameron Mitchell, Vala Mal Doran and Jonas Quinn), Mitchell and Vala visited Atlantis in the SG-1 crossover episode "The Pegasus Project". Jodelle Ferland, who plays Princess Harmony in the episode "Harmony", previously appeared in the episode "Flesh and Blood" in Stargate SG-1 season 10 as a young Adria; and Crystal Lowe previously appeared in the episode "Emancipation" in season 1 of Stargate SG-1.

Release and reception

In September 2007, unfinished versions of "Adrift" and "Lifeline" were leaked onto the internet. Shortly after, fans who used iTunes to download "Adrift" discovered that they had in fact purchased "Doppleganger" instead, three weeks before it was set to premiere on Sci Fi Channel in the USA. The mix-up probably comes from the fact that "Doppelganger" was the first episode of the season to be filmed, and thus carries an internal production number of 401 at the studio.[1] Late in the season, "Midway" was another episode that was mistakenly released by iTunes several days before its airdate. "Be All My Sins Remember'd" received a rating of 1.4 million viewers, the highest rated episode in the fourth season. It was also the US Sci-fi Channel's 2nd highest rated show that week: the 1st was an SF TV-movie, Beyond Loch Ness (which had a rating of 1.7 million), which happened to star Atlantis actor Paul McGillion and SG-1's Don S. Davis. Stargate Atlantis, Season 4, has been aired on the following channels: Sci-Fi Channel in the USA, TV6 in Sweden, and Sky 1 in the UK.

"Adrift" earned an Emmy nomination for "Outstanding Special Visual Effects For A Series",[2] and "Best Visual Effects" for a Gemini Award.[3] Jewel Staite has been nominated for a Gemini Award in the category of Best Performance by an Actress in a Continuing Leading Dramatic Role for her performance in "Missing".[3] Alan McCullough has been nominated for a Gemini Award in the Best Writing in a Dramatic Series category for his episode "Tabula Rasa".[3] "The Last Man" has been nominated for a Gemini in the Best Achievement in Make-Up category.[3]


Main characters

Actor Character Number of episodes
Joe Flanigan Lt Col John Sheppard 20 episodes
Amanda Tapping Colonel Samantha Carter 14 episodes
Rachel Luttrell Teyla Emmagan 16 episodes
Jason Momoa Ronon Dex 18 episodes
and David Hewlett Dr. Rodney McKay 20 episodes

Recurring characters

Actor Character Number of episodes
David Nykl Dr. Radek Zelenka 11 episodes
Jewel Staite Dr. Jennifer Keller 11 episodes
Kavan Smith Major Evan Lorne 8 episodes
Chuck Campbell Chuck 8 episodes
Christopher Heyerdahl Todd 6 episodes
Bill Dow Dr. Bill Lee 4 episodes
Linda Ko Marie 4 episodes
Torri Higginson Dr. Elizabeth Weir 4 episodes
Connor Trinneer Michael Kenmore 3 episodes
Michael Beach Colonel Abraham Ellis 3 episodes
Jill Wagner Larrin 2 episodes
Patrick Sabongui Kanaan 2 episodes
Niall Matter Lt. Kemp 2 episodes
Brenda James Dr. Katie Brown 2 episodes
Gary Jones CMSgt. Walter Harriman 2 episodes
Robert Picardo Richard Woolsey 2 episodes
Mitch Pileggi Colonel Steven Caldwell 2 episodes
Christopher Judge Teal'c 2 episodes
Paul McGillion Dr. Carson Beckett 2 episodes
Yee Jee Tso Systems Tech 2 episodes
Heather Doerksen Major Pat Meyers 2 episodes
Johann Helf Nabel Golan 2 episodes
Kate Hewlett Jeannie Miller 2 episodes


Image Title Number Airdate Planet(s) Race(s) Enemies
"Adrift" (Part 2 of 3) 4.01 September 28, 2007 M12-578 N/A N/A
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.
"Lifeline" (Part 3 of 3) 4.02 October 5, 2007 Asuras, M35-117 Asuran Oberoth
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.
"Reunion" 4.03 October 12, 2007 Earth, M35-117 Satedan, Wraith, Unnamed Ara, Rakai, Tyre, Wraith Commander
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.
"Doppleganger" 4.04 October 19, 2007 M35-117, M3X-387 Crystal of M3X-387 Crystal of M3X-387
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.
"Travelers" 4.05 October 26, 2007 M35-117 Traveler, Wraith Wraith Commander
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.
"Tabula Rasa" 4.06 November 2, 2007 M35-117 N/A N/A
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.
"Missing" 4.07 November 9, 2007 M35-117, New Athos Bola Kai Omal, Nabel Golan
During a visit to New Athos, Teyla and Dr. Keller find themselves on the run from a primitive tribe of warriors.
"The Seer" 4.08 November 16, 2007 M2R-441, M35-117, Vedeena Wraith, Vedeenan N/A
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.
"Miller's Crossing" 4.09 November 30, 2007 Earth, M35-117 Wraith Henry Wallace
Rodney McKay goes in search of his sister on Earth after she is kidnapped by the head of a powerful corporation.
"This Mortal Coil" 4.10 December 7, 2007 Asuras, M34-227, M35-117, Niam's faction's planet Asuran Oberoth
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.
"Be All My Sins Remember'd" 4.11 January 4, 2008 Asuras, M35-117 Asuran, Traveler, Wraith Asurans
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" 4.12 January 11, 2008 Asuras, M35-117, Unnamed Wraith Wraith Queen
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" 4.13 January 18, 2008 M35-117 N/A N/A
An automated lockdown traps Atlantis personnel in various parts of the city, each of them hoping the others will come to their rescue.
"Harmony" 4.14 January 25, 2008 Harmony's planet Harmony's people, Genii Toran
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.
"Outcast" 4.15 February 1, 2008 Earth, M35-117 Human-form Replicator Poole's Replicator
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" 4.16 February 8, 2008 M35-117, M5V-801 People of M5V-801 N/A
McKay, Carter, and Keller are trapped in an underground chamber while on an off-world mission, with no apparent means of escape.
"Midway" 4.17 February 15, 2008 Earth, M35-117, M4F-788 Jaffa, Wraith Wraith Commander
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.
"The Kindred", Part 1 (Part 1 of 2) 4.18 February 22, 2008 Hoff, M2S-181, M35-117 Athosian, Hybrid, Wraith Michael Kenmore
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.
"The Kindred", Part 2 (Part 2 of 2) 4.19 February 29, 2008 M35-117, Unnamed Athosian, Hybrid Michael Kenmore
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" (Part 1 of 2) 4.20 March 7, 2008 Earth, M2S-445, M35-117, M4S-587 Hybrid Michael Kenmore
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.


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