The team crash lands on a planet where the locals, in fear of the Wraith, practice ritual suicide when they reach the age of twenty-five.
A new military contingent from Earth is sent through the Stargate to take command of Atlantis and defend it from the impending Wraith attack.
First aired: 3/18/2005 Production Code: 119
With a group of Wraith Hive ships on the way to Atlantis, the team searches for a place to flee and a way to destroy the city. McKay leads a team to try and activate the Ancients’ orbital weapons platform.
Plagued by terrifying nightmares, Teyla investigates and discovers with the help of an older friend that she is a descendant of humans who were subjected to genetic experiments by the Wraith.
With a brief opportunity to send a data transmission to Earth, members of the Atlantis expedition compose video messages home to their loved ones. Meanwhile, Sheppard and Teyla use the Stargate to take a Jumper to do some reconnaissance on the approaching Wraith fleet.
The planet Dagan may be home to a vitally important ZPM, capable of restoring Atlantis’ shield and protecting the city from the Wraith, but a mysterious ‘Brotherhood’ on the planet - and their knowledge of the Genii - suggest that the planet may not be what it seems.
A very old woman is found in suspended animation in Atlantis, and the team is shocked to see that it is Dr. Weir herself, who tells them of her trip 10,000 years into the city’s past.
The Atlantis team encounters a pre-technological world strangely untouched by the Wraith. They hope to negotiate with the local population to provide a home for the refugees of Wraith attacks, currently living in Atlantis.
Several residents of Atlantis are infected with a deadly nanite virus, forcing a lockdown of the entire city.
Sheppard’s team investigates a downed Wraith ship, and find themselves stuck on a planet dealing with a lone Wraith survivor.
Sheppard attempts to rescue Weir and McKay and retake the city. Meanwhile Beckett, Teyla, and Ford try to navigate the storm and lend assistance.
The inhabitants of the city and the mainland are forced to evacuate when a huge hurricane bears down on them. But things get even worse when the city is then captured by the Genii, forcing Sheppard to try and stay one step ahead when they capture Weir and McKay.
The Atlantis team plans to use a planet’s unique atmospheric fog to acquire the power they need to gate back to Earth.
Gating to the planet Genii to trade for food, the team discovers what appears to be a simple, farming population. But they are preparing a deadly weapon to attack the Wraith, and when Sheppard and McKay are interrogated it appears the Genii may not make the best of allies.
The team investigates a drug being developed on another world that has the potential to repel the Wraith’s feeding on humans.
The team crash lands on a planet where the locals, in fear of the Wraith, practice ritual suicide when they reach the age of twenty-five.
After another dangerous encounter with the Wraith, the Earth team begins to suspect they have a traitor in their midst. Suspicion falls on the Athosians, and Teyla finds herself caught in the middle.
The Puddle Jumper has been damaged and is stuck part way through the Stargate. There is only 38 minutes to find a way to dislodge themselves before the Stargate shuts down, cutting the Jumper in half. To make matters worse, John Sheppard has an alien creature attached to his neck that is sucking the life from him.
An alien intruder has found its way into the city, threatening the security of the base. Dr. McKay’s experiments with alien technology land him in trouble.
Sheppard tries to convince Weir to mount a rescue mission to free Colonel Sumner, Teyla and the others captured by the Wraith. Meanwhile, Sumner faces the Wraith themselves.
The discovery of an outpost, left behind by the Ancients in the most unlikely of places, leads a new Stargate team to the distant Pegasus galaxy. Once there, they discover a planet of humans being decimated by a terrible alien race know as the Wraith.
Summary: Rufus and Lily grow suspect of Jenny’s relationship with Damien. Chuck learns more about the woman who may or may not be his mother. Dan and Vanessa struggle through the awkwardness of dating other people.
Summary: When Dr. Alicia Seberg, a government research scientist, is exposed to a deadly toxin while at work and has only hours to live, she calls Patrick Jane and the CBI to find her murderer.
Summary: Auggie and Violet prepare to leave town; when her billionaire boyfriend visits, Amanda puts Ella in charge of a lavish party in his honor; Riley asks Jonah for another chance.
Summary: As Joe and Allison’s wedding is revisted, Allison tries to cope with the increasing strength of her gift.
Summary: A routine estate sale lands Melinda in the center of dark forces battling for the soul of a little girl (”Cassidy”) who’s been trapped in a violently haunted house for years.
Summary: Patty sends Tom out of the country to follow the money trail of the Tobin fraud. Ellen must choose between her new boss and Patty. Leonard Winstone leaves the city under mysterious circumstances.
Summary: it’s St. Patrick’s day, and all of New York City is ablaze with a hundred shades of green — except for an abandoned warehouse in Brooklyn, where two corpses have left a tiny part of the city drenched in red…
Summary: The team investigates the murder of an unpopular receptionist.
Summary: The CSI team investigates the death of a fourteen year old who died under mysterious circumstances…
Summary: A truck driver is kidnapping women and disposing of them in random locations and the BAU must find out his motive in order to catch him.