Stargate Atlantis, Missing

S4 E1 • 41m • HDPG

Atlantis enters its fourth season. The Stargate crew are where we left them, suspended in space with only 24 hours of life support remaining. How will they survive?

S4 E2 • 41m • HD12

It's a race against time to find the missing city of Atlantis as the team embarks on a daring infiltration to steal a ZPM from the Replicators.

S4 E3 • 41m • HD12

Ronon is reunited with a group of his fellow Satedans and is forced to decide where his allegiance lies, with the people from his old civilisation or with Atlantis.

S4 E4 • 41m • HD15

Stargate delves into the past when Sheppard comes across a crystalline species similar to one that Jack O'Neill encountered 10 years ago.

S4 E5 • 41m • HD12

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 E6 • 41m • HDPG

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 E7 • 41m • HDPG

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 fiercely hunt the pair down.

S4 E8 • 41m • HDPG

An Oracle visits Atlantis, warning the team that Wraith hive ships are heading in their direction. His prophetic abilities also expose a deep secret Teyla has yet to reveal.

S4 E9 • 41m • HDPG

McKay and his sister are kidnapped on Earth by a man in need of their expertise. The rest of the Atlantis team must enlist the help of an NID agent to rescue them.

S4 E10 • 41m • HD12

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 E11 • 41m • HD12

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 E12 • 41m • HD12

The Atlantis 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 E13 • 41m • HDPG

When an alarm sounds throughout the city, initiating a quarantine lock down, the Atlantis team find themselves trapped in various sections of the city, with no way out.

S4 E14 • 41m • HD12

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 E15 • 41m • HDPG

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 and dangerous experiment gone awry.

S4 E16 • 41m • HDPG

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 E17 • 41m • HD12

When Ronon comes under review by the IOA, Carter asks Teal'c (guest star Chris Judge) to mentor him, but the appraisal is put on hold when the Wraith target the Midway station.

S4 E18 • 41m • HDPG

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 E19 • 41m • HD12

The Atlantis team are stunned when an old face returns, and Teyla fights for her people and her life when Wraith Michael (Connor Trinneer) takes her prisoner.

S4 E20 • 41m • HDPG

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.