The WORST episodes of Stargate Atlantis

Every episode of Stargate Atlantis ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Stargate Atlantis!

The story of Stargate Atlantis follows the cliffhanger episode on Stargate SG-1's seventh season finale "Lost City", where SG-1 found an outpost made by the race known as the Ancients in Antarctica. After the events of Stargate SG-1 season eight premiere "New Order", the Stargate Command sends an international team to investigate the outpost. Soon, Dr. Daniel Jackson discovers the location of the greatest city created by the Ancients, Atlantis. The story unfolds when the members of the expedition encounter the Wraith, the race that defeated the Ancients ten thousand years ago.

Last Updated: 9/9/2024Network: SYFYStatus: Ended
Share:
Inquisition
star
6.96
2365 votes

#1 - Inquisition

Season 5 - Episode 13 - Aired 10/24/2008

A new coalition of human worlds puts the Atlantis team on trial for their alleged crimes against the Pegasus Galaxy.

Directors: Brenton Spencer
Writer: Alex Levine
Watch Now:AmazonApple TV
Irresponsible
star
7.22
2148 votes

#2 - Irresponsible

Season 3 - Episode 13 - Aired 4/27/2007

The team finds Lucius Lavin manipulating the people of another hapless planet, using Ancient technology to pose as an invincible hero.

Directors: Martin Wood
Watch Now:AmazonApple TV
Instinct
star
7.23
2340 votes

#3 - Instinct

Season 2 - Episode 7 - Aired 8/26/2005

The team discovers a young Wraith girl who has been raised by a human, and is in hiding from the people of her human village in fear of her life.

Directors: Andy Mikita
Watch Now:AmazonApple TV
Vegas
star
7.24
2372 votes

#4 - Vegas

Season 5 - Episode 19 - Aired 1/2/2009

In the city of Las Vegas, Detective John Sheppard must solve the case on a long string of unusual murders -- perpetrated by a Wraith in hiding.

Directors: Robert Cooper
Watch Now:AmazonApple TV
Doppelganger
star
7.25
2460 votes

#5 - Doppelganger

Season 4 - Episode 4 - Aired 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.

Directors: Robert C. Cooper
Watch Now:AmazonApple TV
The Real World
star
7.26
2041 votes

#6 - The Real World

Season 3 - Episode 6 - Aired 8/18/2006

Elizabeth Weir wakes up in a mental institution, where she is told that the expedition to Atlantis and the Stargate are figments of her imagination.

Directors: Paul Ziller
Writer: Carl Binder
Watch Now:AmazonApple TV
Identity
star
7.27
2334 votes

#7 - Identity

Season 5 - Episode 18 - Aired 12/12/2008

Dr. Keller's body is taken over by a cunning thief, while Keller finds herself imprisoned with a death sentence on another planet.

Directors: Will Waring
Writer: Carl Binder
Watch Now:AmazonApple TV
Whispers
star
7.27
2626 votes

#8 - Whispers

Season 5 - Episode 7 - Aired 9/5/2008

Sheppard and Beckett join a team investigating a hidden Wraith laboratory where Michael has been conducting genetic experiments.

Directors: William Waring
Watch Now:AmazonApple TV
Outsiders
star
7.28
2388 votes

#9 - Outsiders

Season 5 - Episode 12 - Aired 10/17/2008

The Wraith arrive in a village where Dr. Beckett is working, and demand that the locals turn over a group of refugees who survived the Hoffan plague -- or the entire village will be obliterated.

Directors: William Waring
Watch Now:AmazonApple TV
Misbegotten (3)
star
7.30
2377 votes

#10 - Misbegotten (3)

Season 3 - Episode 2 - Aired 7/21/2006

The Atlantis team must decide the fate of a colony of Wraith they have turned into humans. Dr. Weir must defend her leadership when she is evaluated by the I.O.A.

Directors: Martin Wood
Watch Now:AmazonApple TV
Phantoms
star
7.31
2289 votes

#11 - Phantoms

Season 3 - Episode 9 - Aired 9/15/2006

Sheppard and Ronon are influenced by a mind-altering device created by the Wraith while on a mission to rescue a lost team.

Directors: Martin Wood
Writer: Carl Binder
Watch Now:AmazonApple TV
The Gift
star
7.33
2454 votes

#12 - The Gift

Season 1 - Episode 18 - Aired 3/11/2005

Plagued by terrifying nightmares, Teyla begins to recall a time when she and her father were captured by the Wraith and subjected to disturbing experiments.

Directors: Peter DeLuise
Watch Now:AmazonApple TV
Harmony
star
7.34
2461 votes

#13 - Harmony

Season 4 - Episode 14 - Aired 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.

Directors: William Waring
Writer: Martin Gero
Watch Now:AmazonApple TV
Childhood's End
star
7.35
2723 votes

#14 - Childhood's End

Season 1 - Episode 6 - Aired 8/13/2004

Sheppard and the team visit a world where no one is over 24 years old -- because of a ritual suicide practice they believe keeps the Wraith at bay.

Directors: David Winning
Writer: Martin Gero
Watch Now:AmazonApple TV
Vengeance
star
7.35
2419 votes

#15 - Vengeance

Season 3 - Episode 19 - Aired 6/15/2007

The Atlantis team investigates the disappearance of one of their allies, only to find an old enemy engineering a race of powerful monsters.

Directors: Andy Mikita
Writer: Carl Binder
Watch Now:AmazonApple TV
Irresistible
star
7.37
2142 votes

#16 - Irresistible

Season 3 - Episode 3 - Aired 7/28/2006

Sheppard's team meets an obnoxious man who is adored by all thanks to a secret that he carries -- and who has an unexpected effect on them.

Directors: Martin Wood
Writer: Carl Binder
Watch Now:AmazonApple TV
Letters from Pegasus
star
7.39
2384 votes

#17 - Letters from Pegasus

Season 1 - Episode 17 - Aired 3/4/2005

With a brief opportunity to send a data transmission to Earth, members of the Atlantis expedition compose video messages home to their loved ones.

Directors: Mario Azzopardi
Writer: Carl Binder
Watch Now:AmazonApple TV
The Long Goodbye
star
7.39
2053 votes

#18 - The Long Goodbye

Season 2 - Episode 16 - Aired 1/2/2006

The team discovers two pods that contain the minds of alien beings, who take control of Weir and Sheppard's bodies to continue their personal war.

Directors: Andy Mikita
Watch Now:AmazonApple TV
Grace Under Pressure
star
7.40
2207 votes

#19 - Grace Under Pressure

Season 2 - Episode 14 - Aired 12/12/2005

When Dr. McKay is trapped underwater in a sinking Puddle Jumper, his only chance for survival may be an hallucination of Samantha Carter.

Directors: Martin Wood
Writer: Martin Gero
Watch Now:AmazonApple TV
Home
star
7.42
2684 votes

#20 - Home

Season 1 - Episode 9 - Aired 9/10/2004

McKay's efforts to harness the energy of an alien planet's atmosphere allows for a return trip to Earth -- but the team may not be able to return to Atlantis.

Directors: Holly Dale
Watch Now:AmazonApple TV
Missing
star
7.42
2470 votes

#21 - Missing

Season 4 - Episode 7 - Aired 11/9/2007

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

Directors: Andy Mikita
Writer: Carl Binder
Watch Now:AmazonApple TV
Infection
star
7.42
2351 votes

#22 - Infection

Season 5 - Episode 17 - Aired 12/5/2008

After Todd's hive ship shows up over Atlantis transmitting a distress call, the team discovers that he and his crew have been stricken with a disease they helped create.

Directors: Andy Mikita
Watch Now:AmazonApple TV
Conversion
star
7.42
2289 votes

#23 - Conversion

Season 2 - Episode 8 - Aired 9/9/2005

Colonel Sheppard begins to undergo a disturbing physical transformation after being exposed to Beckett's anti-Wraith drug.

Directors: Brad Turner
Writer: Martin Gero
Watch Now:AmazonApple TV
Hide and Seek
star
7.42
3465 votes

#24 - Hide and Seek

Season 1 - Episode 3 - Aired 7/23/2004

The Atlantis base is threatened when the team discovers that an alien entity is in the city. McKay's experiment with alien technology goes awry.

Watch Now:AmazonApple TV
Thirty-Eight Minutes
star
7.43
3126 votes

#25 - Thirty-Eight Minutes

Season 1 - Episode 4 - Aired 7/30/2004

The team finds themselves in mortal danger when their Puddle Jumper ship becomes lodged in the Stargate.

Directors: Mario Azzopardi
Writer: Brad Wright
Watch Now:AmazonApple TV