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: 6/3/2026Network: SYFYStatus: Ended
Inquisition
star
6.92
2222 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
Irresponsible
star
7.17
2003 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
Instinct
star
7.20
2172 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
Doppelganger
star
7.23
2304 votes

#4 - 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
Vegas
star
7.23
2385 votes

#5 - 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
Whispers
star
7.26
2655 votes

#6 - 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
The Real World
star
7.26
2077 votes

#7 - 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
Misbegotten (3)
star
7.26
2228 votes

#8 - 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
Outsiders
star
7.27
2409 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
Identity
star
7.27
2357 votes

#10 - 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
Phantoms
star
7.27
2143 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
The Gift
star
7.30
2297 votes

#12 - The Gift

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

Plagued by terrifying nightmares, Teyla discovers the dark secret behind her special ability to sense the Wraith.

Directors: Peter DeLuise
Harmony
star
7.32
2367 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
Irresistible
star
7.34
1994 votes

#14 - 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
Childhood's End
star
7.34
2513 votes

#15 - 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
Vengeance
star
7.35
2463 votes

#16 - 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
Letters from Pegasus
star
7.37
2239 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
The Long Goodbye
star
7.37
1905 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
Hide and Seek
star
7.38
3167 votes

#19 - 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.

Home
star
7.40
2476 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
Grace Under Pressure
star
7.40
2105 votes

#21 - 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
Thirty-Eight Minutes
star
7.40
2846 votes

#22 - 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
The Tower
star
7.40
2108 votes

#23 - The Tower

Season 2 - Episode 15 - Aired 12/19/2005

The team finds a world that possesses Ancient defense technology, where Colonel Sheppard finds himself a pawn in the rivalry between the heirs to the throne.

Directors: Andy Mikita
Missing
star
7.41
2510 votes

#24 - 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
Coup d'Etat
star
7.41
2037 votes

#25 - Coup d'Etat

Season 2 - Episode 17 - Aired 1/9/2006

After a team from Atlantis goes missing, the expedition finds itself in the middle of a Genii coup.

Directors: Martin Wood
Writer: Martin Gero