Vegas: It's CSI: Atlantis in this penultimate instalment. Set in an alternate reality, Sheppard is a homicide detective hunting down a serial killer terrorising Las Vegas. (S5, ep 19) [S]
Enemy At The Gate: The sci-fi favourite reaches its 100th episode and prepares to make its final puddle-jump. Will the Wraith threat be eliminated? Last ever episode. (S5, ep 20) [S]
Identity: Dr Keller is taken over by an alien consciousness named Neeva and she's far from pleasant. Barnstorming, body-swapping action. (S5, ep 18) [S]
Infection: Sheppard and crew stumble upon a seemingly abandoned Wraith vessel. Ignoring the old adage that appearances can be deceiving, they decide to investigate. (S5, ep 17) [S]
Brain Storm: Rodney's 'friend' Malcolm Tunney unveils a device that promises to extinguish the threat of global warming. His demonstration certainly stirs up a storm. (S5, ep 16) [S]
Remnants: Sheppard is abducted and held captive by an old enemy whom he believed to be dead. Meanwhile, Atlantis discovers the existence of an ancient alien race. (S5, ep15) [S]
The Prodigal: Michael and a few genetically-modified friends infiltrate Atlantis and hold Teyla hostage. Can the team get to her before it's too late? (S5, ep14) [S]
Inquisition: The Atlantis crew are on troubled ground when a newly formed coalition of human worlds puts them on trial for alleged crimes against the Pegasus galaxy. (S5, ep 13) [S]
Outsiders: The survivors of both a plague concocted by Michael and a deadly Wraith attack face a new danger from the people who originally gave them shelter. (S5, ep 12) [S]
The Lost Tribe: A pressure-cooker instalment of the sci-fi favourite: Sheppard must find Rodney McKay and Dr Daniel Jackson before Todd does. (S5, ep 11) [S]
First Contact: Atlantis encounters a mysterious alien race when Dr McKay and Dr Jackson come across a secret lab. Do the visitors have good intentions? (S5, ep 10) [S]
Tracker: The team comes to the aid of a village under Wraith attack. In a twist in the tale, one of their own is kidnapped. Can Ronon rescue his comrade in time? (S5, ep 9) [S]
The Queen: When Dr Keller maintains that she can extinguish the Wraith appetite for humans for good, Teyla embarks on a dangerous mission disguised as a Wraith queen. (S5, ep 8) [S]
Whispers: Sheppard and Beckett join Teldy and co when they find another of Michael's labs. Whilst exploring a nearby town smothered in fog, they discover they're not alone. (S5, ep 7) [S]
The Daedalus Variations: The crew investigates a duplicate Daedalus in orbit. Once aboard, the team are thrown into an alternate reality. Will they find a way back? (S5, ep 4) [S]
Broken Ties: Ronon is ambushed by treacherous Tyre during an off-world mission and handed over to the Wraith. In a race against time, can the Stargate team come to his rescue? (S5 ep 3) [S]
The Seed: Dr Jennifer Keller falls foul of a mysterious alien virus. Desperate to find an antidote, the team release Dr Carson from the stasis chamber. (S5, ep 2) [S]
Search and Rescue: The sci-fi smash returns for a fifth season. Colonel Carter attempts to rescue trapped Atlantis crew members, but Michael and his hybrids are in pursuit. (S5, ep 1) [S]
The Last Man: Season four comes to a shattering climax when, having failed to locate Teyla, Sheppard returns to Atlantis to find the city abandoned and all systems dead. (S4, ep 20) [S]
The Last Man: Season four comes to a shattering climax when, having failed to locate Teyla, Sheppard returns to Atlantis to find the city abandoned and all systems dead. (S4, ep 20) [S]
The Kindred (Part 2): The Atlantis team are stunned when an old face returns, and Teyla fights for her people and her life when Wraith Michael takes her prisoner. (S4, ep 19) [S]
The Kindred (Part 2): The Atlantis team are stunned when an old face returns, and Teyla fights for her people and her life when Wraith Michael takes her prisoner. (S4, ep 19) [S]
The Kindred (Part 1): Dr Keller discovers that a Wraith-killing protein is infecting thousands of humans, and Teyla convinces Sheppard to join the search for her people. (S4, ep 18) [S]
The Kindred (Part 1): Dr Keller discovers that a Wraith-killing protein is infecting thousands of humans, and Teyla convinces Sheppard to join the search for her people. (S4, ep 18) [S]
Midway: When Ronon comes under review by the IOA, Carter asks Teal'c to mentor him, but the appraisal is put on hold when the Wraith target the Midway station. (S4, ep 17) [S]
Midway: When Ronon comes under review by the IOA, Carter asks Teal'c to mentor him, but the appraisal is put on hold when the Wraith target the Midway station. (S4, ep 17) [S]
Trio: During an off-world mission, Carter, McKay and Dr Keller become trapped in an underground mining chamber, rocked by fierce seismic tremors. How will they escape? (S4, ep 16) [S]
Trio: During an off-world mission, Carter, McKay and Dr Keller become trapped in an underground mining chamber, rocked by fierce seismic tremors. How will they escape? (S4, ep 16) [S]
Outcast: When Lt Colonel John Sheppard receives word that his father has died, he returns to Earth. But once there, he becomes embroiled in a covert experiment gone awry. (S4, ep 15) [S]
Outcast: When Lt Colonel John Sheppard receives word that his father has died, he returns to Earth. But once there, he becomes embroiled in a covert experiment gone awry. (S4, ep 15) [S]
Harmony: Wanting to maintain diplomatic relations, Sheppard and McKay agree to accompany a precocious young princess on a rite of passage. But unexpected enemies prove a threat. (S4, ep 14) [S]
Harmony: Wanting to maintain diplomatic relations, Sheppard and McKay agree to accompany a precocious young princess on a rite of passage. But unexpected enemies prove a threat. (S4, ep 14) [S]
Quarantine: When an alarm sounds throughout the city, initiating a quarantine lock down, the Atlantis team find themselves trapped in various sections of the city. (S4, ep 13) [S]
Quarantine: When an alarm sounds throughout the city, initiating a quarantine lock down, the Atlantis team find themselves trapped in various sections of the city. (S4, ep 13) [S]
Spoils Of War: The 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. (S4, ep 12) [S]
Spoils Of War: The 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. (S4, ep 12) [S]
Be All My Sins Remember'd: The Atlantis team strives to eliminate the Replicators once and for all, but with time in short supply they may well have a crisis on their hands. (S4, ep 11) [S]
Be All My Sins Remember'd: The Atlantis team strives to eliminate the Replicators once and for all, but with time in short supply they may well have a crisis on their hands. (S4, ep 11) [S]
This Mortal Coil: The Atlantis team's worst fears are realised when a mysterious probe crashes into the city, and the crew are convinced the Replicators have found them. (S4, ep 10) [S]
This Mortal Coil: The Atlantis team's worst fears are realised when a mysterious probe crashes into the city, and the crew are convinced the Replicators have found them. (S4, ep 10) [S]
Miller's Crossing: McKay and his sister are kidnapped on Earth by a man in need of their expertise. The rest of the team must enlist the help of an NID agent to rescue them. (S4, ep 9) [S]
Miller's Crossing: McKay and his sister are kidnapped on Earth by a man in need of their expertise. The rest of the team must enlist the help of an NID agent to rescue them. (S4, ep 9) [S]
The Seer: An Oracle visits Atlantis, warning the team that Wraith hive ships are heading in their direction. He also exposes a deep secret Teyla has yet to reveal. (S4, ep 8) [S]
The Seer: An Oracle visits Atlantis, warning the team that Wraith hive ships are heading in their direction. He also exposes a deep secret Teyla has yet to reveal. (S4, ep 8) [S]
Missing: Teyla and Dr Keller visit New Athos in search of Teyla's people, who have gone missing from their planet. Trouble strikes when primitive warriors hunt the pair down. (S4, ep 7) [S]
Missing: Teyla and Dr Keller visit New Athos in search of Teyla's people, who have gone missing from their planet. Trouble strikes when primitive warriors hunt the pair down. (S4, ep 7) [S]
Tabula Rasa: A deadly infection threatens the Atlantis expedition when the team contracts a virus that causes memory loss. Ronan and Teyla must find a cure. (S4, ep 6) [S]
Tabula Rasa: A deadly infection threatens the Atlantis expedition when the team contracts a virus that causes memory loss. Ronan and Teyla must find a cure. (S4, ep 6) [S]
Travelers: An unfamiliar race, known as the Travelers, hunts down the Atlantis expedition after hearing of the team's notorious ancient techniques used to fight the Wraith. (S4, ep 5) [S]
Travelers: An unfamiliar race, known as the Travelers, hunts down the Atlantis expedition after hearing of the team's notorious ancient techniques used to fight the Wraith. (S4, ep 5) [S]
Doppelganger: Stargate delves into the past when Sheppard comes across a crystalline species similar to one that Jack O'Neill encountered 10 years ago. (S4, ep 4) [S]