Stargate Atlantis

As Lt. Aiden Ford recovers from his near-fatal encounter with a When a secret base, abandoned by the original builders of the Wraith the team races against time to save the city from an impending Wraith assault.

A mysterious intruder has infected the Dadealus' computers with a When a secret base, abandoned by the original builders of the virus that may allow them to take control of the ship.

Ronan Dex, a fierce survivor of a Wraith attack, may be the team's only hope in combating the now dangerous, Wraith-infected Ford.

A technical glitch during their rescue from a Wraith ship forces McKay and Lt. Cadman to coexist inside McKay's body.

The team visits a technologically advanced planet inhabited by a civilization mysteriously unharmed by the Wraith.

McKay may have found a new and potent source of energy for Atlantis based on unperfected Ancient technology.

While experimenting with a retrovirus that could turn Wraiths back into humans, Dr. Beckett inadvertantly puts Sheppard's life at risk.

The Atlantis team races to find a way to reverse Sheppard's When a secret base, abandoned by the original builders of the transformation into a Wraith.

The team finds a large Ancient Ship called Aurora offworld and it When a secret base, abandoned by the original builders of the still has Ancients living on board.

Lieutenant Ford, who now has his own team of super-soldiers, asks for Colonel Sheppard's assistance in an attack on a Wraith Hive ship.

Colonel Sheppard is taken captive by the Wraith.

Colonel Sheppard gets trapped on a planet where time moves faster.

General Landry (Beau Bridges) informs the team that the Goa'uld has planted a bomb on Atlantis and will be triggered by any attempt to dial the gate.

On a puddle jumper test flight, McKay (David Hewlett) and a pilot suddenly lose control of the ship and crash into the ocean. Though he is able to communicate with Weir (Torri Higginson), he soon loses contact with Atlantis as he sinks lower.

On a world with Ancient defense technology, Sheppard is caught up in a dispute among the heirs of the throne.

The team discovers two life pods with a dying woman and man in it. Upon opening Weir gets imprinted with the mind of the woman. She asks a special favor.

While Teyla and Ronon investigate the mysterious death of major Lorne, the Genii Ladon Radim contacts Atlantis. He wants to trade in a ZPM.

When the team attempts to turn a Wraith into a human with Dr. Beckett’s perfected vaccine, the results are disastrous.

Atlantis helps with repairing an Ancient shield generator on Taranis. They discover the Taranians are in possession of an Ancient warship.

The hive ship approaching Atlantis is Michael's. He wants a trade: the retrovirus for not revealing the secret of Atlantis and insights on Wraith technology.